1219426988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{330289}}^1$

素因数の和:330377

約数の個数: 24

約数和(自身を含む): 2330526240

約数和(自身を除く): 1111099252

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 330289, 660578, 1321156, 4293757, 8587514, 17175028, 23450519, 46901038, 93802076, 304856747, 609713494, 1219426988]

約数ペア:

[(1, 1219426988), (2, 609713494), (4, 304856747), (13, 93802076), (26, 46901038), (52, 23450519), (71, 17175028), (142, 8587514), (284, 4293757), (923, 1321156), (1846, 660578), (3692, 330289)]