51357215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2753}}^1$

素因数の和:2819

約数の個数: 32

約数和(自身を含む): 77728896

約数和(自身を除く): 26371681

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 533, 1435, 2665, 2753, 3731, 13765, 18655, 19271, 35789, 96355, 112873, 178945, 250523, 564365, 790111, 1252615, 1467349, 3950555, 7336745, 10271443, 51357215]

約数ペア:

[(1, 51357215), (5, 10271443), (7, 7336745), (13, 3950555), (35, 1467349), (41, 1252615), (65, 790111), (91, 564365), (205, 250523), (287, 178945), (455, 112873), (533, 96355), (1435, 35789), (2665, 19271), (2753, 18655), (3731, 13765)]