90000004

素因数分解:

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

素因数の和:1383

約数の個数: 24

約数和(自身を含む): 160083000

約数和(自身を除く): 70082996

約数列:

[1, 2, 4, 89, 178, 241, 356, 482, 964, 1049, 2098, 4196, 21449, 42898, 85796, 93361, 186722, 252809, 373444, 505618, 1011236, 22500001, 45000002, 90000004]

約数ペア:

[(1, 90000004), (2, 45000002), (4, 22500001), (89, 1011236), (178, 505618), (241, 373444), (356, 252809), (482, 186722), (964, 93361), (1049, 85796), (2098, 42898), (4196, 21449)]