199985498

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1\times {\mathrm{2819}}^1$

素因数の和:3349

約数の個数: 16

約数和(自身を含む): 304560000

約数和(自身を除く): 104574502

約数列:

[1, 2, 79, 158, 449, 898, 2819, 5638, 35471, 70942, 222701, 445402, 1265731, 2531462, 99992749, 199985498]

約数ペア:

[(1, 199985498), (2, 99992749), (79, 2531462), (158, 1265731), (449, 445402), (898, 222701), (2819, 70942), (5638, 35471)]