139801556

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{5531}}^1$

素因数の和:5695

約数の個数: 24

約数和(自身を含む): 250931520

約数和(自身を除く): 111129964

約数列:

[1, 2, 4, 71, 89, 142, 178, 284, 356, 5531, 6319, 11062, 12638, 22124, 25276, 392701, 492259, 785402, 984518, 1570804, 1969036, 34950389, 69900778, 139801556]

約数ペア:

[(1, 139801556), (2, 69900778), (4, 34950389), (71, 1969036), (89, 1570804), (142, 984518), (178, 785402), (284, 492259), (356, 392701), (5531, 25276), (6319, 22124), (11062, 12638)]