390908024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79973}}^1$

素因数の和:80039

約数の個数: 32

約数和(自身を含む): 806137920

約数和(自身を除く): 415229896

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4888, 79973, 159946, 319892, 639784, 1039649, 2079298, 3758731, 4158596, 7517462, 8317192, 15034924, 30069848, 48863503, 97727006, 195454012, 390908024]

約数ペア:

[(1, 390908024), (2, 195454012), (4, 97727006), (8, 48863503), (13, 30069848), (26, 15034924), (47, 8317192), (52, 7517462), (94, 4158596), (104, 3758731), (188, 2079298), (376, 1039649), (611, 639784), (1222, 319892), (2444, 159946), (4888, 79973)]