31887018

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 71118216

約数和(自身を除く): 39231198

約数列:

[1, 2, 3, 6, 9, 18, 61, 113, 122, 183, 226, 257, 339, 366, 514, 549, 678, 771, 1017, 1098, 1542, 2034, 2313, 4626, 6893, 13786, 15677, 20679, 29041, 31354, 41358, 47031, 58082, 62037, 87123, 94062, 124074, 141093, 174246, 261369, 282186, 522738, 1771501, 3543002, 5314503, 10629006, 15943509, 31887018]

約数ペア:

[(1, 31887018), (2, 15943509), (3, 10629006), (6, 5314503), (9, 3543002), (18, 1771501), (61, 522738), (113, 282186), (122, 261369), (183, 174246), (226, 141093), (257, 124074), (339, 94062), (366, 87123), (514, 62037), (549, 58082), (678, 47031), (771, 41358), (1017, 31354), (1098, 29041), (1542, 20679), (2034, 15677), (2313, 13786), (4626, 6893)]