64541272

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{571}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 123552000

約数和(自身を除く): 59010728

約数列:

[1, 2, 4, 8, 71, 142, 199, 284, 398, 568, 571, 796, 1142, 1592, 2284, 4568, 14129, 28258, 40541, 56516, 81082, 113032, 113629, 162164, 227258, 324328, 454516, 909032, 8067659, 16135318, 32270636, 64541272]

約数ペア:

[(1, 64541272), (2, 32270636), (4, 16135318), (8, 8067659), (71, 909032), (142, 454516), (199, 324328), (284, 227258), (398, 162164), (568, 113629), (571, 113032), (796, 81082), (1142, 56516), (1592, 40541), (2284, 28258), (4568, 14129)]