389969468

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^2\times {\mathrm{4001}}^1$

素因数の和:4130

約数の個数: 36

約数和(自身を含む): 793580592

約数和(自身を除く): 403611124

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 3481, 4001, 6962, 8002, 13924, 16004, 24367, 28007, 48734, 56014, 97468, 112028, 236059, 472118, 944236, 1652413, 3304826, 6609652, 13927481, 27854962, 55709924, 97492367, 194984734, 389969468]

約数ペア:

[(1, 389969468), (2, 194984734), (4, 97492367), (7, 55709924), (14, 27854962), (28, 13927481), (59, 6609652), (118, 3304826), (236, 1652413), (413, 944236), (826, 472118), (1652, 236059), (3481, 112028), (4001, 97468), (6962, 56014), (8002, 48734), (13924, 28007), (16004, 24367)]