647717015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{727}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 862977024

約数和(自身を除く): 215260009

約数列:

[1, 5, 11, 55, 97, 167, 485, 727, 835, 1067, 1837, 3635, 5335, 7997, 9185, 16199, 39985, 70519, 80995, 121409, 178189, 352595, 607045, 775709, 890945, 1335499, 3878545, 6677495, 11776673, 58883365, 129543403, 647717015]

約数ペア:

[(1, 647717015), (5, 129543403), (11, 58883365), (55, 11776673), (97, 6677495), (167, 3878545), (485, 1335499), (727, 890945), (835, 775709), (1067, 607045), (1837, 352595), (3635, 178189), (5335, 121409), (7997, 80995), (9185, 70519), (16199, 39985)]