71118775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 111215104

約数和(自身を除く): 40096329

約数列:

[1, 5, 7, 13, 25, 35, 43, 65, 91, 175, 215, 301, 325, 455, 559, 727, 1075, 1505, 2275, 2795, 3635, 3913, 5089, 7525, 9451, 13975, 18175, 19565, 25445, 31261, 47255, 66157, 97825, 127225, 156305, 218827, 236275, 330785, 406393, 781525, 1094135, 1653925, 2031965, 2844751, 5470675, 10159825, 14223755, 71118775]

約数ペア:

[(1, 71118775), (5, 14223755), (7, 10159825), (13, 5470675), (25, 2844751), (35, 2031965), (43, 1653925), (65, 1094135), (91, 781525), (175, 406393), (215, 330785), (301, 236275), (325, 218827), (455, 156305), (559, 127225), (727, 97825), (1075, 66157), (1505, 47255), (2275, 31261), (2795, 25445), (3635, 19565), (3913, 18175), (5089, 13975), (7525, 9451)]