28805975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:192

約数の個数: 36

約数和(自身を含む): 40633560

約数和(自身を除く): 11827585

約数列:

[1, 5, 11, 25, 31, 55, 109, 155, 275, 341, 545, 775, 961, 1199, 1705, 2725, 3379, 4805, 5995, 8525, 10571, 16895, 24025, 29975, 37169, 52855, 84475, 104749, 185845, 264275, 523745, 929225, 1152239, 2618725, 5761195, 28805975]

約数ペア:

[(1, 28805975), (5, 5761195), (11, 2618725), (25, 1152239), (31, 929225), (55, 523745), (109, 264275), (155, 185845), (275, 104749), (341, 84475), (545, 52855), (775, 37169), (961, 29975), (1199, 24025), (1705, 16895), (2725, 10571), (3379, 8525), (4805, 5995)]