13318525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2589

約数の個数: 24

約数和(自身を含む): 18972000

約数和(自身を除く): 5653475

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 2549, 5225, 12745, 28039, 48431, 63725, 140195, 242155, 532741, 700975, 1210775, 2663705, 13318525]

約数ペア:

[(1, 13318525), (5, 2663705), (11, 1210775), (19, 700975), (25, 532741), (55, 242155), (95, 140195), (209, 63725), (275, 48431), (475, 28039), (1045, 12745), (2549, 5225)]