81736018

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{64157}}^1$

素因数の和:64186

約数の個数: 24

約数和(自身を含む): 153594252

約数和(自身を除く): 71858234

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 64157, 128314, 449099, 834041, 898198, 1668082, 3143693, 5838287, 6287386, 11676574, 40868009, 81736018]

約数ペア:

[(1, 81736018), (2, 40868009), (7, 11676574), (13, 6287386), (14, 5838287), (26, 3143693), (49, 1668082), (91, 898198), (98, 834041), (182, 449099), (637, 128314), (1274, 64157)]