165556818

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2687}}^1$

素因数の和:2868

約数の個数: 64

約数和(自身を含む): 423198720

約数和(自身を除く): 257641902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 163, 189, 326, 378, 489, 978, 1141, 1467, 2282, 2687, 2934, 3423, 4401, 5374, 6846, 8061, 8802, 10269, 16122, 18809, 20538, 24183, 30807, 37618, 48366, 56427, 61614, 72549, 112854, 145098, 169281, 338562, 437981, 507843, 875962, 1015686, 1313943, 2627886, 3065867, 3941829, 6131734, 7883658, 9197601, 11825487, 18395202, 23650974, 27592803, 55185606, 82778409, 165556818]

約数ペア:

[(1, 165556818), (2, 82778409), (3, 55185606), (6, 27592803), (7, 23650974), (9, 18395202), (14, 11825487), (18, 9197601), (21, 7883658), (27, 6131734), (42, 3941829), (54, 3065867), (63, 2627886), (126, 1313943), (163, 1015686), (189, 875962), (326, 507843), (378, 437981), (489, 338562), (978, 169281), (1141, 145098), (1467, 112854), (2282, 72549), (2687, 61614), (2934, 56427), (3423, 48366), (4401, 37618), (5374, 30807), (6846, 24183), (8061, 20538), (8802, 18809), (10269, 16122)]