397364630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{13831}}^1$

素因数の和:13881

約数の個数: 48

約数和(自身を含む): 820126944

約数和(自身を除く): 422762314

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 845, 1105, 1690, 2210, 2873, 5746, 13831, 14365, 27662, 28730, 69155, 138310, 179803, 235127, 359606, 470254, 899015, 1175635, 1798030, 2337439, 2351270, 3056651, 4674878, 6113302, 11687195, 15283255, 23374390, 30566510, 39736463, 79472926, 198682315, 397364630]

約数ペア:

[(1, 397364630), (2, 198682315), (5, 79472926), (10, 39736463), (13, 30566510), (17, 23374390), (26, 15283255), (34, 11687195), (65, 6113302), (85, 4674878), (130, 3056651), (169, 2351270), (170, 2337439), (221, 1798030), (338, 1175635), (442, 899015), (845, 470254), (1105, 359606), (1690, 235127), (2210, 179803), (2873, 138310), (5746, 69155), (13831, 28730), (14365, 27662)]