1387339970

素因数分解:

$2^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1\times {\mathrm{2797}}^1$

素因数の和:3254

約数の個数: 32

約数和(自身を含む): 2520818928

約数和(自身を除く): 1133478958

約数列:

[1, 2, 5, 10, 193, 257, 386, 514, 965, 1285, 1930, 2570, 2797, 5594, 13985, 27970, 49601, 99202, 248005, 496010, 539821, 718829, 1079642, 1437658, 2699105, 3594145, 5398210, 7188290, 138733997, 277467994, 693669985, 1387339970]

約数ペア:

[(1, 1387339970), (2, 693669985), (5, 277467994), (10, 138733997), (193, 7188290), (257, 5398210), (386, 3594145), (514, 2699105), (965, 1437658), (1285, 1079642), (1930, 718829), (2570, 539821), (2797, 496010), (5594, 248005), (13985, 99202), (27970, 49601)]