251278872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{805381}}^1$

素因数の和:805403

約数の個数: 32

約数和(自身を含む): 676520880

約数和(自身を除く): 425242008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 805381, 1610762, 2416143, 3221524, 4832286, 6443048, 9664572, 10469953, 19329144, 20939906, 31409859, 41879812, 62819718, 83759624, 125639436, 251278872]

約数ペア:

[(1, 251278872), (2, 125639436), (3, 83759624), (4, 62819718), (6, 41879812), (8, 31409859), (12, 20939906), (13, 19329144), (24, 10469953), (26, 9664572), (39, 6443048), (52, 4832286), (78, 3221524), (104, 2416143), (156, 1610762), (312, 805381)]