639202228

素因数分解:

$2^2\times 7^1\times {\mathrm{1951}}^1\times {\mathrm{11701}}^1$

素因数の和:13663

約数の個数: 24

約数和(自身を含む): 1279169024

約数和(自身を除く): 639966796

約数列:

[1, 2, 4, 7, 14, 28, 1951, 3902, 7804, 11701, 13657, 23402, 27314, 46804, 54628, 81907, 163814, 327628, 22828651, 45657302, 91314604, 159800557, 319601114, 639202228]

約数ペア:

[(1, 639202228), (2, 319601114), (4, 159800557), (7, 91314604), (14, 45657302), (28, 22828651), (1951, 327628), (3902, 163814), (7804, 81907), (11701, 54628), (13657, 46804), (23402, 27314)]