490639618

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{20411}}^1$

素因数の和:20538

約数の個数: 32

約数和(自身を含む): 899434368

約数和(自身を除く): 408794750

約数列:

[1, 2, 7, 14, 17, 34, 101, 119, 202, 238, 707, 1414, 1717, 3434, 12019, 20411, 24038, 40822, 142877, 285754, 346987, 693974, 2061511, 2428909, 4123022, 4857818, 14430577, 28861154, 35045687, 70091374, 245319809, 490639618]

約数ペア:

[(1, 490639618), (2, 245319809), (7, 70091374), (14, 35045687), (17, 28861154), (34, 14430577), (101, 4857818), (119, 4123022), (202, 2428909), (238, 2061511), (707, 693974), (1414, 346987), (1717, 285754), (3434, 142877), (12019, 40822), (20411, 24038)]