31007275

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:256

約数の個数: 36

約数和(自身を含む): 42887880

約数和(自身を除く): 11880605

約数列:

[1, 5, 13, 25, 41, 65, 169, 179, 205, 325, 533, 845, 895, 1025, 2327, 2665, 4225, 4475, 6929, 7339, 11635, 13325, 30251, 34645, 36695, 58175, 95407, 151255, 173225, 183475, 477035, 756275, 1240291, 2385175, 6201455, 31007275]

約数ペア:

[(1, 31007275), (5, 6201455), (13, 2385175), (25, 1240291), (41, 756275), (65, 477035), (169, 183475), (179, 173225), (205, 151255), (325, 95407), (533, 58175), (845, 36695), (895, 34645), (1025, 30251), (2327, 13325), (2665, 11635), (4225, 7339), (4475, 6929)]