81696238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2803}}^1$

素因数の和:2896

約数の個数: 32

約数和(自身を含む): 141321600

約数和(自身を除く): 59625362

約数列:

[1, 2, 13, 19, 26, 38, 59, 118, 247, 494, 767, 1121, 1534, 2242, 2803, 5606, 14573, 29146, 36439, 53257, 72878, 106514, 165377, 330754, 692341, 1384682, 2149901, 3142163, 4299802, 6284326, 40848119, 81696238]

約数ペア:

[(1, 81696238), (2, 40848119), (13, 6284326), (19, 4299802), (26, 3142163), (38, 2149901), (59, 1384682), (118, 692341), (247, 330754), (494, 165377), (767, 106514), (1121, 72878), (1534, 53257), (2242, 36439), (2803, 29146), (5606, 14573)]