81517128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{44111}}^1$

素因数の和:44138

約数の個数: 64

約数和(自身を含む): 254085120

約数和(自身を除く): 172567992

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 44111, 88222, 132333, 176444, 264666, 308777, 352888, 485221, 529332, 617554, 926331, 970442, 1058664, 1235108, 1455663, 1852662, 1940884, 2470216, 2911326, 3396547, 3705324, 3881768, 5822652, 6793094, 7410648, 10189641, 11645304, 13586188, 20379282, 27172376, 40758564, 81517128]

約数ペア:

[(1, 81517128), (2, 40758564), (3, 27172376), (4, 20379282), (6, 13586188), (7, 11645304), (8, 10189641), (11, 7410648), (12, 6793094), (14, 5822652), (21, 3881768), (22, 3705324), (24, 3396547), (28, 2911326), (33, 2470216), (42, 1940884), (44, 1852662), (56, 1455663), (66, 1235108), (77, 1058664), (84, 970442), (88, 926331), (132, 617554), (154, 529332), (168, 485221), (231, 352888), (264, 308777), (308, 264666), (462, 176444), (616, 132333), (924, 88222), (1848, 44111)]