257222498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{77899}}^1$

素因数の和:78041

約数の個数: 16

約数和(自身を含む): 418790400

約数和(自身を除く): 161567902

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 77899, 155798, 1012687, 2025374, 9893173, 19786346, 128611249, 257222498]

約数ペア:

[(1, 257222498), (2, 128611249), (13, 19786346), (26, 9893173), (127, 2025374), (254, 1012687), (1651, 155798), (3302, 77899)]