72661808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{267139}}^1$

素因数の和:267164

約数の個数: 20

約数和(自身を含む): 149064120

約数和(自身を除く): 76402312

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 267139, 534278, 1068556, 2137112, 4274224, 4541363, 9082726, 18165452, 36330904, 72661808]

約数ペア:

[(1, 72661808), (2, 36330904), (4, 18165452), (8, 9082726), (16, 4541363), (17, 4274224), (34, 2137112), (68, 1068556), (136, 534278), (272, 267139)]