16521475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 21784320

約数和(自身を除く): 5262845

約数列:

[1, 5, 23, 25, 59, 115, 295, 487, 575, 1357, 1475, 2435, 6785, 11201, 12175, 28733, 33925, 56005, 143665, 280025, 660859, 718325, 3304295, 16521475]

約数ペア:

[(1, 16521475), (5, 3304295), (23, 718325), (25, 660859), (59, 280025), (115, 143665), (295, 56005), (487, 33925), (575, 28733), (1357, 12175), (1475, 11201), (2435, 6785)]