208421928

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:720

約数の個数: 192

約数和(自身を含む): 685601280

約数和(自身を除く): 477179352

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 31, 33, 36, 39, 44, 52, 62, 66, 72, 78, 88, 93, 99, 104, 117, 124, 132, 143, 156, 186, 198, 234, 248, 264, 279, 286, 312, 341, 372, 396, 403, 429, 468, 558, 572, 653, 682, 744, 792, 806, 858, 936, 1023, 1116, 1144, 1209, 1287, 1306, 1364, 1612, 1716, 1959, 2046, 2232, 2418, 2574, 2612, 2728, 3069, 3224, 3432, 3627, 3918, 4092, 4433, 4836, 5148, 5224, 5877, 6138, 7183, 7254, 7836, 8184, 8489, 8866, 9672, 10296, 11754, 12276, 13299, 14366, 14508, 15672, 16978, 17732, 20243, 21549, 23508, 24552, 25467, 26598, 28732, 29016, 33956, 35464, 39897, 40486, 43098, 47016, 50934, 53196, 57464, 60729, 64647, 67912, 76401, 79794, 80972, 86196, 93379, 101868, 106392, 121458, 129294, 152802, 159588, 161944, 172392, 182187, 186758, 203736, 222673, 242916, 258588, 263159, 280137, 305604, 319176, 364374, 373516, 445346, 485832, 517176, 526318, 560274, 611208, 668019, 728748, 747032, 789477, 840411, 890692, 1052636, 1120548, 1336038, 1457496, 1578954, 1680822, 1781384, 2004057, 2105272, 2241096, 2368431, 2672076, 2894749, 3157908, 3361644, 4008114, 4736862, 5344152, 5789498, 6315816, 6723288, 8016228, 8684247, 9473724, 11578996, 16032456, 17368494, 18947448, 23157992, 26052741, 34736988, 52105482, 69473976, 104210964, 208421928]

約数ペア:

[(1, 208421928), (2, 104210964), (3, 69473976), (4, 52105482), (6, 34736988), (8, 26052741), (9, 23157992), (11, 18947448), (12, 17368494), (13, 16032456), (18, 11578996), (22, 9473724), (24, 8684247), (26, 8016228), (31, 6723288), (33, 6315816), (36, 5789498), (39, 5344152), (44, 4736862), (52, 4008114), (62, 3361644), (66, 3157908), (72, 2894749), (78, 2672076), (88, 2368431), (93, 2241096), (99, 2105272), (104, 2004057), (117, 1781384), (124, 1680822), (132, 1578954), (143, 1457496), (156, 1336038), (186, 1120548), (198, 1052636), (234, 890692), (248, 840411), (264, 789477), (279, 747032), (286, 728748), (312, 668019), (341, 611208), (372, 560274), (396, 526318), (403, 517176), (429, 485832), (468, 445346), (558, 373516), (572, 364374), (653, 319176), (682, 305604), (744, 280137), (792, 263159), (806, 258588), (858, 242916), (936, 222673), (1023, 203736), (1116, 186758), (1144, 182187), (1209, 172392), (1287, 161944), (1306, 159588), (1364, 152802), (1612, 129294), (1716, 121458), (1959, 106392), (2046, 101868), (2232, 93379), (2418, 86196), (2574, 80972), (2612, 79794), (2728, 76401), (3069, 67912), (3224, 64647), (3432, 60729), (3627, 57464), (3918, 53196), (4092, 50934), (4433, 47016), (4836, 43098), (5148, 40486), (5224, 39897), (5877, 35464), (6138, 33956), (7183, 29016), (7254, 28732), (7836, 26598), (8184, 25467), (8489, 24552), (8866, 23508), (9672, 21549), (10296, 20243), (11754, 17732), (12276, 16978), (13299, 15672), (14366, 14508)]