81865238

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{12157}}^1$

素因数の和:12216

約数の個数: 32

約数和(自身を含む): 155233344

約数和(自身を除く): 73368106

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 182, 259, 481, 518, 962, 3367, 6734, 12157, 24314, 85099, 158041, 170198, 316082, 449809, 899618, 1106287, 2212574, 3148663, 5847517, 6297326, 11695034, 40932619, 81865238]

約数ペア:

[(1, 81865238), (2, 40932619), (7, 11695034), (13, 6297326), (14, 5847517), (26, 3148663), (37, 2212574), (74, 1106287), (91, 899618), (182, 449809), (259, 316082), (481, 170198), (518, 158041), (962, 85099), (3367, 24314), (6734, 12157)]