128697816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{412493}}^1$

素因数の和:412515

約数の個数: 32

約数和(自身を含む): 346494960

約数和(自身を除く): 217797144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 412493, 824986, 1237479, 1649972, 2474958, 3299944, 4949916, 5362409, 9899832, 10724818, 16087227, 21449636, 32174454, 42899272, 64348908, 128697816]

約数ペア:

[(1, 128697816), (2, 64348908), (3, 42899272), (4, 32174454), (6, 21449636), (8, 16087227), (12, 10724818), (13, 9899832), (24, 5362409), (26, 4949916), (39, 3299944), (52, 2474958), (78, 1649972), (104, 1237479), (156, 824986), (312, 412493)]