12903425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 17170776

約数和(自身を除く): 4267351

約数列:

[1, 5, 17, 25, 85, 97, 313, 425, 485, 1565, 1649, 2425, 5321, 7825, 8245, 26605, 30361, 41225, 133025, 151805, 516137, 759025, 2580685, 12903425]

約数ペア:

[(1, 12903425), (5, 2580685), (17, 759025), (25, 516137), (85, 151805), (97, 133025), (313, 41225), (425, 30361), (485, 26605), (1565, 8245), (1649, 7825), (2425, 5321)]