87123890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1244627}}^1$

素因数の和:1244641

約数の個数: 16

約数和(自身を含む): 179226432

約数和(自身を除く): 92102542

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1244627, 2489254, 6223135, 8712389, 12446270, 17424778, 43561945, 87123890]

約数ペア:

[(1, 87123890), (2, 43561945), (5, 17424778), (7, 12446270), (10, 8712389), (14, 6223135), (35, 2489254), (70, 1244627)]