257662368

素因数分解:

$2^5\times 3^2\times {\mathrm{41}}^1\times {\mathrm{21821}}^1$

素因数の和:21878

約数の個数: 72

約数和(自身を含む): 750633156

約数和(自身を除く): 492970788

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 72, 82, 96, 123, 144, 164, 246, 288, 328, 369, 492, 656, 738, 984, 1312, 1476, 1968, 2952, 3936, 5904, 11808, 21821, 43642, 65463, 87284, 130926, 174568, 196389, 261852, 349136, 392778, 523704, 698272, 785556, 894661, 1047408, 1571112, 1789322, 2094816, 2683983, 3142224, 3578644, 5367966, 6284448, 7157288, 8051949, 10735932, 14314576, 16103898, 21471864, 28629152, 32207796, 42943728, 64415592, 85887456, 128831184, 257662368]

約数ペア:

[(1, 257662368), (2, 128831184), (3, 85887456), (4, 64415592), (6, 42943728), (8, 32207796), (9, 28629152), (12, 21471864), (16, 16103898), (18, 14314576), (24, 10735932), (32, 8051949), (36, 7157288), (41, 6284448), (48, 5367966), (72, 3578644), (82, 3142224), (96, 2683983), (123, 2094816), (144, 1789322), (164, 1571112), (246, 1047408), (288, 894661), (328, 785556), (369, 698272), (492, 523704), (656, 392778), (738, 349136), (984, 261852), (1312, 196389), (1476, 174568), (1968, 130926), (2952, 87284), (3936, 65463), (5904, 43642), (11808, 21821)]