644889336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15541}}^1$

素因数の和:15589

約数の個数: 128

約数和(自身を含む): 2088844800

約数和(自身を除く): 1443955464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 52, 56, 57, 76, 78, 84, 91, 104, 114, 133, 152, 156, 168, 182, 228, 247, 266, 273, 312, 364, 399, 456, 494, 532, 546, 728, 741, 798, 988, 1064, 1092, 1482, 1596, 1729, 1976, 2184, 2964, 3192, 3458, 5187, 5928, 6916, 10374, 13832, 15541, 20748, 31082, 41496, 46623, 62164, 93246, 108787, 124328, 186492, 202033, 217574, 295279, 326361, 372984, 404066, 435148, 590558, 606099, 652722, 808132, 870296, 885837, 1181116, 1212198, 1305444, 1414231, 1616264, 1771674, 2066953, 2362232, 2424396, 2610888, 2828462, 3543348, 3838627, 4133906, 4242693, 4848792, 5656924, 6200859, 7086696, 7677254, 8267812, 8485386, 11313848, 11515881, 12401718, 15354508, 16535624, 16970772, 23031762, 24803436, 26870389, 30709016, 33941544, 46063524, 49606872, 53740778, 80611167, 92127048, 107481556, 161222334, 214963112, 322444668, 644889336]

約数ペア:

[(1, 644889336), (2, 322444668), (3, 214963112), (4, 161222334), (6, 107481556), (7, 92127048), (8, 80611167), (12, 53740778), (13, 49606872), (14, 46063524), (19, 33941544), (21, 30709016), (24, 26870389), (26, 24803436), (28, 23031762), (38, 16970772), (39, 16535624), (42, 15354508), (52, 12401718), (56, 11515881), (57, 11313848), (76, 8485386), (78, 8267812), (84, 7677254), (91, 7086696), (104, 6200859), (114, 5656924), (133, 4848792), (152, 4242693), (156, 4133906), (168, 3838627), (182, 3543348), (228, 2828462), (247, 2610888), (266, 2424396), (273, 2362232), (312, 2066953), (364, 1771674), (399, 1616264), (456, 1414231), (494, 1305444), (532, 1212198), (546, 1181116), (728, 885837), (741, 870296), (798, 808132), (988, 652722), (1064, 606099), (1092, 590558), (1482, 435148), (1596, 404066), (1729, 372984), (1976, 326361), (2184, 295279), (2964, 217574), (3192, 202033), (3458, 186492), (5187, 124328), (5928, 108787), (6916, 93246), (10374, 62164), (13832, 46623), (15541, 41496), (20748, 31082)]