72429968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{348221}}^1$

素因数の和:348242

約数の個数: 20

約数和(自身を含む): 151128348

約数和(自身を除く): 78698380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 348221, 696442, 1392884, 2785768, 4526873, 5571536, 9053746, 18107492, 36214984, 72429968]

約数ペア:

[(1, 72429968), (2, 36214984), (4, 18107492), (8, 9053746), (13, 5571536), (16, 4526873), (26, 2785768), (52, 1392884), (104, 696442), (208, 348221)]