87981556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{35999}}^1$

素因数の和:36063

約数の個数: 24

約数和(自身を含む): 169344000

約数和(自身を除く): 81362444

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 35999, 71998, 143996, 467987, 935974, 1691953, 1871948, 3383906, 6767812, 21995389, 43990778, 87981556]

約数ペア:

[(1, 87981556), (2, 43990778), (4, 21995389), (13, 6767812), (26, 3383906), (47, 1871948), (52, 1691953), (94, 935974), (188, 467987), (611, 143996), (1222, 71998), (2444, 35999)]