209901605

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{5683}}^1$

素因数の和:5860

約数の個数: 16

約数和(自身を含む): 257826240

約数和(自身を除く): 47924635

約数列:

[1, 5, 83, 89, 415, 445, 5683, 7387, 28415, 36935, 471689, 505787, 2358445, 2528935, 41980321, 209901605]

約数ペア:

[(1, 209901605), (5, 41980321), (83, 2528935), (89, 2358445), (415, 505787), (445, 471689), (5683, 36935), (7387, 28415)]