28801078

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:843

約数の個数: 16

約数和(自身を含む): 43807680

約数和(自身を除く): 15006602

約数列:

[1, 2, 139, 211, 278, 422, 491, 982, 29329, 58658, 68249, 103601, 136498, 207202, 14400539, 28801078]

約数ペア:

[(1, 28801078), (2, 14400539), (139, 207202), (211, 136498), (278, 103601), (422, 68249), (491, 58658), (982, 29329)]