247998545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{63671}}^1$

素因数の和:63736

約数の個数: 16

約数和(自身を含む): 320906880

約数和(自身を除く): 72908335

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 63671, 318355, 1209749, 2610511, 6048745, 13052555, 49599709, 247998545]

約数ペア:

[(1, 247998545), (5, 49599709), (19, 13052555), (41, 6048745), (95, 2610511), (205, 1209749), (779, 318355), (3895, 63671)]