212778721

素因数分解:

${\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 221644800

約数和(自身を除く): 8866079

約数列:

[1, 59, 73, 127, 389, 4307, 7493, 9271, 22951, 28397, 49403, 546989, 1675423, 2914777, 3606419, 212778721]

約数ペア:

[(1, 212778721), (59, 3606419), (73, 2914777), (127, 1675423), (389, 546989), (4307, 49403), (7493, 28397), (9271, 22951)]