81217313282

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{392267}}^1$

素因数の和:392942

約数の個数: 32

約数和(自身を含む): 145509460992

約数和(自身を除く): 64292147710

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 643, 1286, 4501, 9002, 14789, 29578, 103523, 207046, 392267, 784534, 2745869, 5491738, 9022141, 18044282, 63154987, 126309974, 252227681, 504455362, 1765593767, 3531187534, 5801236663, 11602473326, 40608656641, 81217313282]

約数ペア:

[(1, 81217313282), (2, 40608656641), (7, 11602473326), (14, 5801236663), (23, 3531187534), (46, 1765593767), (161, 504455362), (322, 252227681), (643, 126309974), (1286, 63154987), (4501, 18044282), (9002, 9022141), (14789, 5491738), (29578, 2745869), (103523, 784534), (207046, 392267)]