201639454

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1\times {\mathrm{4651}}^1$

素因数の和:5115

約数の個数: 16

約数和(自身を含む): 308985840

約数和(自身を除く): 107346386

約数列:

[1, 2, 53, 106, 409, 818, 4651, 9302, 21677, 43354, 246503, 493006, 1902259, 3804518, 100819727, 201639454]

約数ペア:

[(1, 201639454), (2, 100819727), (53, 3804518), (106, 1902259), (409, 493006), (818, 246503), (4651, 43354), (9302, 21677)]