405378685

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1\times {\mathrm{397}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 530766432

約数和(自身を除く): 125387747

約数列:

[1, 5, 17, 41, 85, 205, 293, 397, 697, 1465, 1985, 3485, 4981, 6749, 12013, 16277, 24905, 33745, 60065, 81385, 116321, 204221, 276709, 581605, 1021105, 1383545, 1977457, 4769161, 9887285, 23845805, 81075737, 405378685]

約数ペア:

[(1, 405378685), (5, 81075737), (17, 23845805), (41, 9887285), (85, 4769161), (205, 1977457), (293, 1383545), (397, 1021105), (697, 581605), (1465, 276709), (1985, 204221), (3485, 116321), (4981, 81385), (6749, 60065), (12013, 33745), (16277, 24905)]