81298664

素因数分解:

$2^3\times {\mathrm{199}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 154560000

約数和(自身を除く): 73261336

約数列:

[1, 2, 4, 8, 199, 223, 229, 398, 446, 458, 796, 892, 916, 1592, 1784, 1832, 44377, 45571, 51067, 88754, 91142, 102134, 177508, 182284, 204268, 355016, 364568, 408536, 10162333, 20324666, 40649332, 81298664]

約数ペア:

[(1, 81298664), (2, 40649332), (4, 20324666), (8, 10162333), (199, 408536), (223, 364568), (229, 355016), (398, 204268), (446, 182284), (458, 177508), (796, 102134), (892, 91142), (916, 88754), (1592, 51067), (1784, 45571), (1832, 44377)]