221720928

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:589

約数の個数: 192

約数和(自身を含む): 707180544

約数和(自身を除く): 485459616

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 31, 32, 33, 39, 44, 48, 52, 62, 66, 78, 88, 93, 96, 104, 124, 132, 143, 156, 176, 186, 208, 248, 264, 286, 312, 341, 352, 372, 403, 416, 429, 496, 521, 528, 572, 624, 682, 744, 806, 858, 992, 1023, 1042, 1056, 1144, 1209, 1248, 1364, 1488, 1563, 1612, 1716, 2046, 2084, 2288, 2418, 2728, 2976, 3126, 3224, 3432, 4092, 4168, 4433, 4576, 4836, 5456, 5731, 6252, 6448, 6773, 6864, 8184, 8336, 8866, 9672, 10912, 11462, 12504, 12896, 13299, 13546, 13728, 16151, 16368, 16672, 17193, 17732, 19344, 20319, 22924, 25008, 26598, 27092, 32302, 32736, 34386, 35464, 38688, 40638, 45848, 48453, 50016, 53196, 54184, 64604, 68772, 70928, 74503, 81276, 91696, 96906, 106392, 108368, 129208, 137544, 141856, 149006, 162552, 177661, 183392, 193812, 209963, 212784, 216736, 223509, 258416, 275088, 298012, 325104, 355322, 387624, 419926, 425568, 447018, 516832, 532983, 550176, 596024, 629889, 650208, 710644, 775248, 839852, 894036, 1065966, 1192048, 1259778, 1421288, 1550496, 1679704, 1788072, 2131932, 2309593, 2384096, 2519556, 2842576, 3359408, 3576144, 4263864, 4619186, 5039112, 5685152, 6718816, 6928779, 7152288, 8527728, 9238372, 10078224, 13857558, 17055456, 18476744, 20156448, 27715116, 36953488, 55430232, 73906976, 110860464, 221720928]

約数ペア:

[(1, 221720928), (2, 110860464), (3, 73906976), (4, 55430232), (6, 36953488), (8, 27715116), (11, 20156448), (12, 18476744), (13, 17055456), (16, 13857558), (22, 10078224), (24, 9238372), (26, 8527728), (31, 7152288), (32, 6928779), (33, 6718816), (39, 5685152), (44, 5039112), (48, 4619186), (52, 4263864), (62, 3576144), (66, 3359408), (78, 2842576), (88, 2519556), (93, 2384096), (96, 2309593), (104, 2131932), (124, 1788072), (132, 1679704), (143, 1550496), (156, 1421288), (176, 1259778), (186, 1192048), (208, 1065966), (248, 894036), (264, 839852), (286, 775248), (312, 710644), (341, 650208), (352, 629889), (372, 596024), (403, 550176), (416, 532983), (429, 516832), (496, 447018), (521, 425568), (528, 419926), (572, 387624), (624, 355322), (682, 325104), (744, 298012), (806, 275088), (858, 258416), (992, 223509), (1023, 216736), (1042, 212784), (1056, 209963), (1144, 193812), (1209, 183392), (1248, 177661), (1364, 162552), (1488, 149006), (1563, 141856), (1612, 137544), (1716, 129208), (2046, 108368), (2084, 106392), (2288, 96906), (2418, 91696), (2728, 81276), (2976, 74503), (3126, 70928), (3224, 68772), (3432, 64604), (4092, 54184), (4168, 53196), (4433, 50016), (4576, 48453), (4836, 45848), (5456, 40638), (5731, 38688), (6252, 35464), (6448, 34386), (6773, 32736), (6864, 32302), (8184, 27092), (8336, 26598), (8866, 25008), (9672, 22924), (10912, 20319), (11462, 19344), (12504, 17732), (12896, 17193), (13299, 16672), (13546, 16368), (13728, 16151)]