258206285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 353905200

約数和(自身を除く): 95698915

約数列:

[1, 5, 17, 29, 31, 85, 109, 145, 155, 493, 527, 545, 899, 961, 1853, 2465, 2635, 3161, 3379, 4495, 4805, 9265, 15283, 15805, 16337, 16895, 27869, 53737, 57443, 76415, 81685, 97991, 104749, 139345, 268685, 287215, 473773, 489955, 523745, 1665847, 1780733, 2368865, 3037721, 8329235, 8903665, 15188605, 51641257, 258206285]

約数ペア:

[(1, 258206285), (5, 51641257), (17, 15188605), (29, 8903665), (31, 8329235), (85, 3037721), (109, 2368865), (145, 1780733), (155, 1665847), (493, 523745), (527, 489955), (545, 473773), (899, 287215), (961, 268685), (1853, 139345), (2465, 104749), (2635, 97991), (3161, 81685), (3379, 76415), (4495, 57443), (4805, 53737), (9265, 27869), (15283, 16895), (15805, 16337)]