289389418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 466352640

約数和(自身を除く): 176963222

約数列:

[1, 2, 19, 38, 103, 107, 206, 214, 691, 1382, 1957, 2033, 3914, 4066, 11021, 13129, 22042, 26258, 71173, 73937, 142346, 147874, 209399, 418798, 1352287, 1404803, 2704574, 2809606, 7615511, 15231022, 144694709, 289389418]

約数ペア:

[(1, 289389418), (2, 144694709), (19, 15231022), (38, 7615511), (103, 2809606), (107, 2704574), (206, 1404803), (214, 1352287), (691, 418798), (1382, 209399), (1957, 147874), (2033, 142346), (3914, 73937), (4066, 71173), (11021, 26258), (13129, 22042)]