257547984

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{124781}}^1$

素因数の和:124835

約数の個数: 40

約数和(自身を含む): 680810592

約数和(自身を除く): 423262608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 124781, 249562, 374343, 499124, 748686, 998248, 1497372, 1996496, 2994744, 5365583, 5989488, 10731166, 16096749, 21462332, 32193498, 42924664, 64386996, 85849328, 128773992, 257547984]

約数ペア:

[(1, 257547984), (2, 128773992), (3, 85849328), (4, 64386996), (6, 42924664), (8, 32193498), (12, 21462332), (16, 16096749), (24, 10731166), (43, 5989488), (48, 5365583), (86, 2994744), (129, 1996496), (172, 1497372), (258, 998248), (344, 748686), (516, 499124), (688, 374343), (1032, 249562), (2064, 124781)]