28223785

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^2$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 36226008

約数和(自身を除く): 8002223

約数列:

[1, 5, 37, 41, 61, 185, 205, 305, 1517, 2257, 2501, 3721, 7585, 11285, 12505, 18605, 92537, 137677, 152561, 462685, 688385, 762805, 5644757, 28223785]

約数ペア:

[(1, 28223785), (5, 5644757), (37, 762805), (41, 688385), (61, 462685), (185, 152561), (205, 137677), (305, 92537), (1517, 18605), (2257, 12505), (2501, 11285), (3721, 7585)]