25661905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 33227712

約数和(自身を除く): 7565807

約数列:

[1, 5, 23, 37, 115, 163, 185, 815, 851, 1369, 3749, 4255, 6031, 6845, 18745, 30155, 31487, 138713, 157435, 223147, 693565, 1115735, 5132381, 25661905]

約数ペア:

[(1, 25661905), (5, 5132381), (23, 1115735), (37, 693565), (115, 223147), (163, 157435), (185, 138713), (815, 31487), (851, 30155), (1369, 18745), (3749, 6845), (4255, 6031)]