128977355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1291}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 175815360

約数和(自身を除く): 46838005

約数列:

[1, 5, 13, 29, 53, 65, 145, 265, 377, 689, 1291, 1537, 1885, 3445, 6455, 7685, 16783, 19981, 37439, 68423, 83915, 99905, 187195, 342115, 486707, 889499, 1984267, 2433535, 4447495, 9921335, 25795471, 128977355]

約数ペア:

[(1, 128977355), (5, 25795471), (13, 9921335), (29, 4447495), (53, 2433535), (65, 1984267), (145, 889499), (265, 486707), (377, 342115), (689, 187195), (1291, 99905), (1537, 83915), (1885, 68423), (3445, 37439), (6455, 19981), (7685, 16783)]