71784726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{3581}}^1$

素因数の和:3856

約数の個数: 32

約数和(自身を含む): 155258208

約数和(自身を除く): 83473482

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257, 514, 771, 1542, 3341, 3581, 6682, 7162, 10023, 10743, 20046, 21486, 46553, 93106, 139659, 279318, 920317, 1840634, 2760951, 5521902, 11964121, 23928242, 35892363, 71784726]

約数ペア:

[(1, 71784726), (2, 35892363), (3, 23928242), (6, 11964121), (13, 5521902), (26, 2760951), (39, 1840634), (78, 920317), (257, 279318), (514, 139659), (771, 93106), (1542, 46553), (3341, 21486), (3581, 20046), (6682, 10743), (7162, 10023)]