28688316

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{140629}}^1$

素因数の和:140653

約数の個数: 24

約数和(自身を含む): 70877520

約数和(自身を除く): 42189204

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 140629, 281258, 421887, 562516, 843774, 1687548, 2390693, 4781386, 7172079, 9562772, 14344158, 28688316]

約数ペア:

[(1, 28688316), (2, 14344158), (3, 9562772), (4, 7172079), (6, 4781386), (12, 2390693), (17, 1687548), (34, 843774), (51, 562516), (68, 421887), (102, 281258), (204, 140629)]