87661912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{2659}}^1$

素因数の和:2995

約数の個数: 32

約数和(自身を含む): 177634800

約数和(自身を除く): 89972888

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 317, 634, 1268, 2536, 2659, 4121, 5318, 8242, 10636, 16484, 21272, 32968, 34567, 69134, 138268, 276536, 842903, 1685806, 3371612, 6743224, 10957739, 21915478, 43830956, 87661912]

約数ペア:

[(1, 87661912), (2, 43830956), (4, 21915478), (8, 10957739), (13, 6743224), (26, 3371612), (52, 1685806), (104, 842903), (317, 276536), (634, 138268), (1268, 69134), (2536, 34567), (2659, 32968), (4121, 21272), (5318, 16484), (8242, 10636)]