217425208

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1429}}^1$

素因数の和:1485

約数の個数: 128

約数和(自身を含む): 576576000

約数和(自身を除く): 359150792

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 56, 76, 77, 88, 91, 104, 133, 143, 152, 154, 182, 209, 247, 266, 286, 308, 364, 418, 494, 532, 572, 616, 728, 836, 988, 1001, 1064, 1144, 1429, 1463, 1672, 1729, 1976, 2002, 2717, 2858, 2926, 3458, 4004, 5434, 5716, 5852, 6916, 8008, 10003, 10868, 11432, 11704, 13832, 15719, 18577, 19019, 20006, 21736, 27151, 31438, 37154, 38038, 40012, 54302, 62876, 74308, 76076, 80024, 108604, 110033, 125752, 130039, 148616, 152152, 190057, 204347, 217208, 220066, 260078, 298661, 352963, 380114, 408694, 440132, 520156, 597322, 705926, 760228, 817388, 880264, 1040312, 1194644, 1411852, 1430429, 1520456, 1634776, 2090627, 2389288, 2470741, 2823704, 2860858, 3882593, 4181254, 4941482, 5721716, 7765186, 8362508, 9882964, 11443432, 15530372, 16725016, 19765928, 27178151, 31060744, 54356302, 108712604, 217425208]

約数ペア:

[(1, 217425208), (2, 108712604), (4, 54356302), (7, 31060744), (8, 27178151), (11, 19765928), (13, 16725016), (14, 15530372), (19, 11443432), (22, 9882964), (26, 8362508), (28, 7765186), (38, 5721716), (44, 4941482), (52, 4181254), (56, 3882593), (76, 2860858), (77, 2823704), (88, 2470741), (91, 2389288), (104, 2090627), (133, 1634776), (143, 1520456), (152, 1430429), (154, 1411852), (182, 1194644), (209, 1040312), (247, 880264), (266, 817388), (286, 760228), (308, 705926), (364, 597322), (418, 520156), (494, 440132), (532, 408694), (572, 380114), (616, 352963), (728, 298661), (836, 260078), (988, 220066), (1001, 217208), (1064, 204347), (1144, 190057), (1429, 152152), (1463, 148616), (1672, 130039), (1729, 125752), (1976, 110033), (2002, 108604), (2717, 80024), (2858, 76076), (2926, 74308), (3458, 62876), (4004, 54302), (5434, 40012), (5716, 38038), (5852, 37154), (6916, 31438), (8008, 27151), (10003, 21736), (10868, 20006), (11432, 19019), (11704, 18577), (13832, 15719)]