920800064

素因数分解:

$2^6\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:775

約数の個数: 56

約数和(自身を含む): 1850745600

約数和(自身を除く): 929945536

約数列:

[1, 2, 4, 8, 16, 32, 64, 197, 199, 367, 394, 398, 734, 788, 796, 1468, 1576, 1592, 2936, 3152, 3184, 5872, 6304, 6368, 11744, 12608, 12736, 23488, 39203, 72299, 73033, 78406, 144598, 146066, 156812, 289196, 292132, 313624, 578392, 584264, 627248, 1156784, 1168528, 1254496, 2313568, 2337056, 2508992, 4627136, 4674112, 14387501, 28775002, 57550004, 115100008, 230200016, 460400032, 920800064]

約数ペア:

[(1, 920800064), (2, 460400032), (4, 230200016), (8, 115100008), (16, 57550004), (32, 28775002), (64, 14387501), (197, 4674112), (199, 4627136), (367, 2508992), (394, 2337056), (398, 2313568), (734, 1254496), (788, 1168528), (796, 1156784), (1468, 627248), (1576, 584264), (1592, 578392), (2936, 313624), (3152, 292132), (3184, 289196), (5872, 156812), (6304, 146066), (6368, 144598), (11744, 78406), (12608, 73033), (12736, 72299), (23488, 39203)]