256795

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:75

約数の個数: 32

約数和(自身を含む): 414720

約数和(自身を除く): 157925

約数列:

[1, 5, 7, 11, 23, 29, 35, 55, 77, 115, 145, 161, 203, 253, 319, 385, 667, 805, 1015, 1265, 1595, 1771, 2233, 3335, 4669, 7337, 8855, 11165, 23345, 36685, 51359, 256795]

約数ペア:

[(1, 256795), (5, 51359), (7, 36685), (11, 23345), (23, 11165), (29, 8855), (35, 7337), (55, 4669), (77, 3335), (115, 2233), (145, 1771), (161, 1595), (203, 1265), (253, 1015), (319, 805), (385, 667)]