64972088

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 123966720

約数和(自身を除く): 58994632

約数列:

[1, 2, 4, 8, 101, 191, 202, 382, 404, 421, 764, 808, 842, 1528, 1684, 3368, 19291, 38582, 42521, 77164, 80411, 85042, 154328, 160822, 170084, 321644, 340168, 643288, 8121511, 16243022, 32486044, 64972088]

約数ペア:

[(1, 64972088), (2, 32486044), (4, 16243022), (8, 8121511), (101, 643288), (191, 340168), (202, 321644), (382, 170084), (404, 160822), (421, 154328), (764, 85042), (808, 80411), (842, 77164), (1528, 42521), (1684, 38582), (3368, 19291)]