163876016

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{249811}}^1$

素因数の和:249860

約数の個数: 20

約数和(自身を含む): 325255224

約数和(自身を除く): 161379208

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 249811, 499622, 999244, 1998488, 3996976, 10242251, 20484502, 40969004, 81938008, 163876016]

約数ペア:

[(1, 163876016), (2, 81938008), (4, 40969004), (8, 20484502), (16, 10242251), (41, 3996976), (82, 1998488), (164, 999244), (328, 499622), (656, 249811)]