129121712

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{218111}}^1$

素因数の和:218156

約数の個数: 20

約数和(自身を含む): 256935936

約数和(自身を除く): 127814224

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 218111, 436222, 872444, 1744888, 3489776, 8070107, 16140214, 32280428, 64560856, 129121712]

約数ペア:

[(1, 129121712), (2, 64560856), (4, 32280428), (8, 16140214), (16, 8070107), (37, 3489776), (74, 1744888), (148, 872444), (296, 436222), (592, 218111)]