42621655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2\times {\mathrm{89}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 55220400

約数和(自身を除く): 12598745

約数列:

[1, 5, 19, 71, 89, 95, 355, 445, 1349, 1691, 5041, 6319, 6745, 8455, 25205, 31595, 95779, 120061, 448649, 478895, 600305, 2243245, 8524331, 42621655]

約数ペア:

[(1, 42621655), (5, 8524331), (19, 2243245), (71, 600305), (89, 478895), (95, 448649), (355, 120061), (445, 95779), (1349, 31595), (1691, 25205), (5041, 8455), (6319, 6745)]