820524481

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{5323}}^1$

素因数の和:5429

約数の個数: 24

約数和(自身を含む): 1006108224

約数和(自身を除く): 185583743

約数列:

[1, 7, 19, 61, 133, 361, 427, 1159, 2527, 5323, 8113, 22021, 37261, 101137, 154147, 324703, 707959, 1921603, 2272921, 6169357, 13451221, 43185499, 117217783, 820524481]

約数ペア:

[(1, 820524481), (7, 117217783), (19, 43185499), (61, 13451221), (133, 6169357), (361, 2272921), (427, 1921603), (1159, 707959), (2527, 324703), (5323, 154147), (8113, 101137), (22021, 37261)]