8279990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 15482880

約数和(自身を除く): 7202890

約数列:

[1, 2, 5, 10, 47, 79, 94, 158, 223, 235, 395, 446, 470, 790, 1115, 2230, 3713, 7426, 10481, 17617, 18565, 20962, 35234, 37130, 52405, 88085, 104810, 176170, 827999, 1655998, 4139995, 8279990]

約数ペア:

[(1, 8279990), (2, 4139995), (5, 1655998), (10, 827999), (47, 176170), (79, 104810), (94, 88085), (158, 52405), (223, 37130), (235, 35234), (395, 20962), (446, 18565), (470, 17617), (790, 10481), (1115, 7426), (2230, 3713)]