90399988

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{941}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 187375104

約数和(自身を除く): 96975116

約数列:

[1, 2, 4, 7, 14, 28, 47, 73, 94, 146, 188, 292, 329, 511, 658, 941, 1022, 1316, 1882, 2044, 3431, 3764, 6587, 6862, 13174, 13724, 24017, 26348, 44227, 48034, 68693, 88454, 96068, 137386, 176908, 274772, 309589, 480851, 619178, 961702, 1238356, 1923404, 3228571, 6457142, 12914284, 22599997, 45199994, 90399988]

約数ペア:

[(1, 90399988), (2, 45199994), (4, 22599997), (7, 12914284), (14, 6457142), (28, 3228571), (47, 1923404), (73, 1238356), (94, 961702), (146, 619178), (188, 480851), (292, 309589), (329, 274772), (511, 176908), (658, 137386), (941, 96068), (1022, 88454), (1316, 68693), (1882, 48034), (2044, 44227), (3431, 26348), (3764, 24017), (6587, 13724), (6862, 13174)]