81709684

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{171659}}^1$

素因数の和:171687

約数の個数: 24

約数和(自身を含む): 173033280

約数和(自身を除く): 91323596

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 171659, 343318, 686636, 1201613, 2403226, 2918203, 4806452, 5836406, 11672812, 20427421, 40854842, 81709684]

約数ペア:

[(1, 81709684), (2, 40854842), (4, 20427421), (7, 11672812), (14, 5836406), (17, 4806452), (28, 2918203), (34, 2403226), (68, 1201613), (119, 686636), (238, 343318), (476, 171659)]