1398410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 2806272

約数和(自身を除く): 1407862

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 347, 403, 694, 806, 1735, 2015, 3470, 4030, 4511, 9022, 10757, 21514, 22555, 45110, 53785, 107570, 139841, 279682, 699205, 1398410]

約数ペア:

[(1, 1398410), (2, 699205), (5, 279682), (10, 139841), (13, 107570), (26, 53785), (31, 45110), (62, 22555), (65, 21514), (130, 10757), (155, 9022), (310, 4511), (347, 4030), (403, 3470), (694, 2015), (806, 1735)]