645707694

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1\times {\mathrm{3041}}^1$

素因数の和:3912

約数の個数: 32

約数和(自身を含む): 1323489024

約数和(自身を除く): 677781330

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 823, 1646, 2469, 3041, 4938, 6082, 9123, 18246, 35389, 70778, 106167, 130763, 212334, 261526, 392289, 784578, 2502743, 5005486, 7508229, 15016458, 107617949, 215235898, 322853847, 645707694]

約数ペア:

[(1, 645707694), (2, 322853847), (3, 215235898), (6, 107617949), (43, 15016458), (86, 7508229), (129, 5005486), (258, 2502743), (823, 784578), (1646, 392289), (2469, 261526), (3041, 212334), (4938, 130763), (6082, 106167), (9123, 70778), (18246, 35389)]