25728395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3931}}^1$

素因数の和:3971

約数の個数: 32

約数和(自身を含む): 40766976

約数和(自身を除く): 15038581

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 3931, 6545, 19655, 27517, 43241, 66827, 137585, 216205, 302687, 334135, 467789, 735097, 1513435, 2338945, 3675485, 5145679, 25728395]

約数ペア:

[(1, 25728395), (5, 5145679), (7, 3675485), (11, 2338945), (17, 1513435), (35, 735097), (55, 467789), (77, 334135), (85, 302687), (119, 216205), (187, 137585), (385, 66827), (595, 43241), (935, 27517), (1309, 19655), (3931, 6545)]