16231985

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 26101440

約数和(自身を除く): 9869455

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 317, 385, 539, 665, 931, 1045, 1463, 1585, 2219, 2695, 3487, 4655, 6023, 7315, 10241, 11095, 15533, 17435, 24409, 30115, 42161, 51205, 66253, 77665, 122045, 170863, 210805, 295127, 331265, 463771, 854315, 1475635, 2318855, 3246397, 16231985]

約数ペア:

[(1, 16231985), (5, 3246397), (7, 2318855), (11, 1475635), (19, 854315), (35, 463771), (49, 331265), (55, 295127), (77, 210805), (95, 170863), (133, 122045), (209, 77665), (245, 66253), (317, 51205), (385, 42161), (539, 30115), (665, 24409), (931, 17435), (1045, 15533), (1463, 11095), (1585, 10241), (2219, 7315), (2695, 6023), (3487, 4655)]