217851136

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 455108864

約数和(自身を除く): 237257728

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 97, 124, 128, 194, 248, 256, 283, 388, 496, 566, 776, 992, 1132, 1552, 1984, 2264, 3007, 3104, 3968, 4528, 6014, 6208, 7936, 8773, 9056, 12028, 12416, 17546, 18112, 24056, 24832, 27451, 35092, 36224, 48112, 54902, 70184, 72448, 96224, 109804, 140368, 192448, 219608, 280736, 384896, 439216, 561472, 769792, 850981, 878432, 1122944, 1701962, 1756864, 2245888, 3403924, 3513728, 6807848, 7027456, 13615696, 27231392, 54462784, 108925568, 217851136]

約数ペア:

[(1, 217851136), (2, 108925568), (4, 54462784), (8, 27231392), (16, 13615696), (31, 7027456), (32, 6807848), (62, 3513728), (64, 3403924), (97, 2245888), (124, 1756864), (128, 1701962), (194, 1122944), (248, 878432), (256, 850981), (283, 769792), (388, 561472), (496, 439216), (566, 384896), (776, 280736), (992, 219608), (1132, 192448), (1552, 140368), (1984, 109804), (2264, 96224), (3007, 72448), (3104, 70184), (3968, 54902), (4528, 48112), (6014, 36224), (6208, 35092), (7936, 27451), (8773, 24832), (9056, 24056), (12028, 18112), (12416, 17546)]