2103102755

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 2832892704

約数和(自身を除く): 729789949

約数列:

[1, 5, 13, 37, 65, 137, 169, 185, 481, 491, 685, 845, 1781, 2405, 2455, 5069, 6253, 6383, 8905, 18167, 23153, 25345, 31265, 31915, 65897, 67267, 82979, 90835, 115765, 236171, 329485, 336335, 414895, 856661, 874471, 1180855, 2488879, 3070223, 4283305, 4372355, 11368123, 12444395, 15351115, 32355427, 56840615, 161777135, 420620551, 2103102755]

約数ペア:

[(1, 2103102755), (5, 420620551), (13, 161777135), (37, 56840615), (65, 32355427), (137, 15351115), (169, 12444395), (185, 11368123), (481, 4372355), (491, 4283305), (685, 3070223), (845, 2488879), (1781, 1180855), (2405, 874471), (2455, 856661), (5069, 414895), (6253, 336335), (6383, 329485), (8905, 236171), (18167, 115765), (23153, 90835), (25345, 82979), (31265, 67267), (31915, 65897)]