219173884

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{5209}}^1$

素因数の和:5437

約数の個数: 24

約数和(自身を含む): 391833680

約数和(自身を除く): 172659796

約数列:

[1, 2, 4, 67, 134, 157, 268, 314, 628, 5209, 10418, 10519, 20836, 21038, 42076, 349003, 698006, 817813, 1396012, 1635626, 3271252, 54793471, 109586942, 219173884]

約数ペア:

[(1, 219173884), (2, 109586942), (4, 54793471), (67, 3271252), (134, 1635626), (157, 1396012), (268, 817813), (314, 698006), (628, 349003), (5209, 42076), (10418, 21038), (10519, 20836)]