25247215

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 36679680

約数和(自身を除く): 11432465

約数列:

[1, 5, 7, 23, 35, 79, 115, 161, 395, 397, 553, 805, 1817, 1985, 2765, 2779, 9085, 9131, 12719, 13895, 31363, 45655, 63595, 63917, 156815, 219541, 319585, 721349, 1097705, 3606745, 5049443, 25247215]

約数ペア:

[(1, 25247215), (5, 5049443), (7, 3606745), (23, 1097705), (35, 721349), (79, 319585), (115, 219541), (161, 156815), (395, 63917), (397, 63595), (553, 45655), (805, 31363), (1817, 13895), (1985, 12719), (2765, 9131), (2779, 9085)]