64143890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2971}}^1$

素因数の和:3122

約数の個数: 32

約数和(自身を含む): 123254784

約数和(自身を除く): 59110894

約数列:

[1, 2, 5, 10, 17, 34, 85, 127, 170, 254, 635, 1270, 2159, 2971, 4318, 5942, 10795, 14855, 21590, 29710, 50507, 101014, 252535, 377317, 505070, 754634, 1886585, 3773170, 6414389, 12828778, 32071945, 64143890]

約数ペア:

[(1, 64143890), (2, 32071945), (5, 12828778), (10, 6414389), (17, 3773170), (34, 1886585), (85, 754634), (127, 505070), (170, 377317), (254, 252535), (635, 101014), (1270, 50507), (2159, 29710), (2971, 21590), (4318, 14855), (5942, 10795)]