180000008

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{1049}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 343035000

約数和(自身を除く): 163034992

約数列:

[1, 2, 4, 8, 89, 178, 241, 356, 482, 712, 964, 1049, 1928, 2098, 4196, 8392, 21449, 42898, 85796, 93361, 171592, 186722, 252809, 373444, 505618, 746888, 1011236, 2022472, 22500001, 45000002, 90000004, 180000008]

約数ペア:

[(1, 180000008), (2, 90000004), (4, 45000002), (8, 22500001), (89, 2022472), (178, 1011236), (241, 746888), (356, 505618), (482, 373444), (712, 252809), (964, 186722), (1049, 171592), (1928, 93361), (2098, 85796), (4196, 42898), (8392, 21449)]