31618288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2141}}^1$

素因数の和:2233

約数の個数: 40

約数和(自身を含む): 66933216

約数和(自身を除く): 35314928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 2141, 3692, 4282, 7384, 8564, 14768, 17128, 27833, 34256, 55666, 111332, 152011, 222664, 304022, 445328, 608044, 1216088, 1976143, 2432176, 3952286, 7904572, 15809144, 31618288]

約数ペア:

[(1, 31618288), (2, 15809144), (4, 7904572), (8, 3952286), (13, 2432176), (16, 1976143), (26, 1216088), (52, 608044), (71, 445328), (104, 304022), (142, 222664), (208, 152011), (284, 111332), (568, 55666), (923, 34256), (1136, 27833), (1846, 17128), (2141, 14768), (3692, 8564), (4282, 7384)]