289110367

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 373524480

約数和(自身を除く): 84414113

約数列:

[1, 7, 13, 29, 71, 91, 203, 377, 497, 923, 1543, 2059, 2639, 6461, 10801, 14413, 20059, 26767, 44747, 109553, 140413, 187369, 313229, 581711, 766871, 1424189, 3177037, 4071977, 9969323, 22239259, 41301481, 289110367]

約数ペア:

[(1, 289110367), (7, 41301481), (13, 22239259), (29, 9969323), (71, 4071977), (91, 3177037), (203, 1424189), (377, 766871), (497, 581711), (923, 313229), (1543, 187369), (2059, 140413), (2639, 109553), (6461, 44747), (10801, 26767), (14413, 20059)]