81400392

素因数分解:

$2^3\times 3^2\times {\mathrm{1130561}}^1$

素因数の和:1130573

約数の個数: 24

約数和(自身を含む): 220459590

約数和(自身を除く): 139059198

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1130561, 2261122, 3391683, 4522244, 6783366, 9044488, 10175049, 13566732, 20350098, 27133464, 40700196, 81400392]

約数ペア:

[(1, 81400392), (2, 40700196), (3, 27133464), (4, 20350098), (6, 13566732), (8, 10175049), (9, 9044488), (12, 6783366), (18, 4522244), (24, 3391683), (36, 2261122), (72, 1130561)]