78427970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{3319}}^1$

素因数の和:3482

約数の個数: 32

約数和(自身を含む): 150595200

約数和(自身を除く): 72167230

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 1390, 2363, 3319, 4726, 6638, 11815, 16595, 23630, 33190, 56423, 112846, 282115, 461341, 564230, 922682, 2306705, 4613410, 7842797, 15685594, 39213985, 78427970]

約数ペア:

[(1, 78427970), (2, 39213985), (5, 15685594), (10, 7842797), (17, 4613410), (34, 2306705), (85, 922682), (139, 564230), (170, 461341), (278, 282115), (695, 112846), (1390, 56423), (2363, 33190), (3319, 23630), (4726, 16595), (6638, 11815)]