208173890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{717841}}^1$

素因数の和:717877

約数の個数: 16

約数和(自身を含む): 387634680

約数和(自身を除く): 179460790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 717841, 1435682, 3589205, 7178410, 20817389, 41634778, 104086945, 208173890]

約数ペア:

[(1, 208173890), (2, 104086945), (5, 41634778), (10, 20817389), (29, 7178410), (58, 3589205), (145, 1435682), (290, 717841)]