406021925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{4339}}^1$

素因数の和:4565

約数の個数: 24

約数和(自身を含む): 532778400

約数和(自身を除く): 126756475

約数列:

[1, 5, 19, 25, 95, 197, 475, 985, 3743, 4339, 4925, 18715, 21695, 82441, 93575, 108475, 412205, 854783, 2061025, 4273915, 16240877, 21369575, 81204385, 406021925]

約数ペア:

[(1, 406021925), (5, 81204385), (19, 21369575), (25, 16240877), (95, 4273915), (197, 2061025), (475, 854783), (985, 412205), (3743, 108475), (4339, 93575), (4925, 82441), (18715, 21695)]