209213288

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{11743}}^1$

素因数の和:11897

約数の個数: 32

約数和(自身を含む): 418556160

約数和(自身を除く): 209342872

約数列:

[1, 2, 4, 8, 17, 34, 68, 131, 136, 262, 524, 1048, 2227, 4454, 8908, 11743, 17816, 23486, 46972, 93944, 199631, 399262, 798524, 1538333, 1597048, 3076666, 6153332, 12306664, 26151661, 52303322, 104606644, 209213288]

約数ペア:

[(1, 209213288), (2, 104606644), (4, 52303322), (8, 26151661), (17, 12306664), (34, 6153332), (68, 3076666), (131, 1597048), (136, 1538333), (262, 798524), (524, 399262), (1048, 199631), (2227, 93944), (4454, 46972), (8908, 23486), (11743, 17816)]