156639490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{31517}}^1$

素因数の和:31602

約数の個数: 32

約数和(自身を含む): 326778624

約数和(自身を除く): 170139134

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 31517, 63034, 157585, 220619, 315170, 441238, 1103095, 2206190, 2237707, 4475414, 11188535, 15663949, 22377070, 31327898, 78319745, 156639490]

約数ペア:

[(1, 156639490), (2, 78319745), (5, 31327898), (7, 22377070), (10, 15663949), (14, 11188535), (35, 4475414), (70, 2237707), (71, 2206190), (142, 1103095), (355, 441238), (497, 315170), (710, 220619), (994, 157585), (2485, 63034), (4970, 31517)]