80721326

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{28403}}^1$

素因数の和:28448

約数の個数: 24

約数和(自身を含む): 145712520

約数和(自身を除く): 64991194

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 28403, 56806, 198821, 397642, 823687, 1391747, 1647374, 2783494, 5765809, 11531618, 40360663, 80721326]

約数ペア:

[(1, 80721326), (2, 40360663), (7, 11531618), (14, 5765809), (29, 2783494), (49, 1647374), (58, 1391747), (98, 823687), (203, 397642), (406, 198821), (1421, 56806), (2842, 28403)]