31208454

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:773

約数の個数: 48

約数和(自身を含む): 70431504

約数和(自身を除く): 39223050

約数列:

[1, 2, 3, 6, 9, 18, 43, 61, 86, 122, 129, 183, 258, 366, 387, 549, 661, 774, 1098, 1322, 1983, 2623, 3966, 5246, 5949, 7869, 11898, 15738, 23607, 28423, 40321, 47214, 56846, 80642, 85269, 120963, 170538, 241926, 255807, 362889, 511614, 725778, 1733803, 3467606, 5201409, 10402818, 15604227, 31208454]

約数ペア:

[(1, 31208454), (2, 15604227), (3, 10402818), (6, 5201409), (9, 3467606), (18, 1733803), (43, 725778), (61, 511614), (86, 362889), (122, 255807), (129, 241926), (183, 170538), (258, 120963), (366, 85269), (387, 80642), (549, 56846), (661, 47214), (774, 40321), (1098, 28423), (1322, 23607), (1983, 15738), (2623, 11898), (3966, 7869), (5246, 5949)]