399967367048

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{381648251}}^1$

素因数の和:381648388

約数の個数: 16

約数和(自身を含む): 755663538960

約数和(自身を除く): 355696171912

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 381648251, 763296502, 1526593004, 3053186008, 49995920881, 99991841762, 199983683524, 399967367048]

約数ペア:

[(1, 399967367048), (2, 199983683524), (4, 99991841762), (8, 49995920881), (131, 3053186008), (262, 1526593004), (524, 763296502), (1048, 381648251)]