127688690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{1487}}^1$

素因数の和:1802

約数の個数: 32

約数和(自身を含む): 238270464

約数和(自身を除く): 110581774

約数列:

[1, 2, 5, 10, 31, 62, 155, 277, 310, 554, 1385, 1487, 2770, 2974, 7435, 8587, 14870, 17174, 42935, 46097, 85870, 92194, 230485, 411899, 460970, 823798, 2059495, 4118990, 12768869, 25537738, 63844345, 127688690]

約数ペア:

[(1, 127688690), (2, 63844345), (5, 25537738), (10, 12768869), (31, 4118990), (62, 2059495), (155, 823798), (277, 460970), (310, 411899), (554, 230485), (1385, 92194), (1487, 85870), (2770, 46097), (2974, 42935), (7435, 17174), (8587, 14870)]