2905919913

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{4987}}^1$

素因数の和:5293

約数の個数: 32

約数和(自身を含む): 4254724096

約数和(自身を除く): 1348804183

約数列:

[1, 3, 13, 39, 67, 201, 223, 669, 871, 2613, 2899, 4987, 8697, 14941, 14961, 44823, 64831, 194233, 194493, 334129, 582699, 1002387, 1112101, 3336303, 4343677, 13031031, 14457313, 43371939, 74510767, 223532301, 968639971, 2905919913]

約数ペア:

[(1, 2905919913), (3, 968639971), (13, 223532301), (39, 74510767), (67, 43371939), (201, 14457313), (223, 13031031), (669, 4343677), (871, 3336303), (2613, 1112101), (2899, 1002387), (4987, 582699), (8697, 334129), (14941, 194493), (14961, 194233), (44823, 64831)]