25159556

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1403

約数の個数: 24

約数和(自身を含む): 45581760

約数和(自身を除く): 20422204

約数列:

[1, 2, 4, 37, 74, 139, 148, 278, 556, 1223, 2446, 4892, 5143, 10286, 20572, 45251, 90502, 169997, 181004, 339994, 679988, 6289889, 12579778, 25159556]

約数ペア:

[(1, 25159556), (2, 12579778), (4, 6289889), (37, 679988), (74, 339994), (139, 181004), (148, 169997), (278, 90502), (556, 45251), (1223, 20572), (2446, 10286), (4892, 5143)]