406969075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20897}}^1$

素因数の和:20967

約数の個数: 24

約数和(自身を含む): 544183920

約数和(自身を除く): 137214845

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 3895, 19475, 20897, 104485, 397043, 522425, 856777, 1985215, 4283885, 9926075, 16278763, 21419425, 81393815, 406969075]

約数ペア:

[(1, 406969075), (5, 81393815), (19, 21419425), (25, 16278763), (41, 9926075), (95, 4283885), (205, 1985215), (475, 856777), (779, 522425), (1025, 397043), (3895, 104485), (19475, 20897)]