207780215

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1\times {\mathrm{1993}}^1$

素因数の和:2746

約数の個数: 16

約数和(自身を含む): 258422400

約数和(自身を除く): 50642185

約数列:

[1, 5, 29, 145, 719, 1993, 3595, 9965, 20851, 57797, 104255, 288985, 1432967, 7164835, 41556043, 207780215]

約数ペア:

[(1, 207780215), (5, 41556043), (29, 7164835), (145, 1432967), (719, 288985), (1993, 104255), (3595, 57797), (9965, 20851)]