80906618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 134158080

約数和(自身を除く): 53251462

約数列:

[1, 2, 13, 26, 61, 122, 139, 278, 367, 734, 793, 1586, 1807, 3614, 4771, 8479, 9542, 16958, 22387, 44774, 51013, 102026, 110227, 220454, 291031, 582062, 663169, 1326338, 3111793, 6223586, 40453309, 80906618]

約数ペア:

[(1, 80906618), (2, 40453309), (13, 6223586), (26, 3111793), (61, 1326338), (122, 663169), (139, 582062), (278, 291031), (367, 220454), (734, 110227), (793, 102026), (1586, 51013), (1807, 44774), (3614, 22387), (4771, 16958), (8479, 9542)]