25761505

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 40055040

約数和(自身を除く): 14293535

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 79, 121, 245, 385, 395, 539, 553, 605, 847, 869, 1331, 2695, 2765, 3871, 4235, 4345, 5929, 6083, 6655, 9317, 9559, 19355, 29645, 30415, 42581, 46585, 47795, 65219, 66913, 105149, 212905, 326095, 334565, 468391, 525745, 736043, 2341955, 3680215, 5152301, 25761505]

約数ペア:

[(1, 25761505), (5, 5152301), (7, 3680215), (11, 2341955), (35, 736043), (49, 525745), (55, 468391), (77, 334565), (79, 326095), (121, 212905), (245, 105149), (385, 66913), (395, 65219), (539, 47795), (553, 46585), (605, 42581), (847, 30415), (869, 29645), (1331, 19355), (2695, 9559), (2765, 9317), (3871, 6655), (4235, 6083), (4345, 5929)]