289375580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1112983}}^1$

素因数の和:1113005

約数の個数: 24

約数和(自身を含む): 654434592

約数和(自身を除く): 365059012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1112983, 2225966, 4451932, 5564915, 11129830, 14468779, 22259660, 28937558, 57875116, 72343895, 144687790, 289375580]

約数ペア:

[(1, 289375580), (2, 144687790), (4, 72343895), (5, 57875116), (10, 28937558), (13, 22259660), (20, 14468779), (26, 11129830), (52, 5564915), (65, 4451932), (130, 2225966), (260, 1112983)]