155566817

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1319}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 189604800

約数和(自身を除く): 34037983

約数列:

[1, 7, 29, 49, 83, 203, 581, 1319, 1421, 2407, 4067, 9233, 16849, 38251, 64631, 109477, 117943, 267757, 766339, 1874299, 3174833, 5364373, 22223831, 155566817]

約数ペア:

[(1, 155566817), (7, 22223831), (29, 5364373), (49, 3174833), (83, 1874299), (203, 766339), (581, 267757), (1319, 117943), (1421, 109477), (2407, 64631), (4067, 38251), (9233, 16849)]