28001156

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1381}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 50730456

約数和(自身を除く): 22729300

約数列:

[1, 2, 4, 37, 74, 137, 148, 274, 548, 1381, 2762, 5069, 5524, 10138, 20276, 51097, 102194, 189197, 204388, 378394, 756788, 7000289, 14000578, 28001156]

約数ペア:

[(1, 28001156), (2, 14000578), (4, 7000289), (37, 756788), (74, 378394), (137, 204388), (148, 189197), (274, 102194), (548, 51097), (1381, 20276), (2762, 10138), (5069, 5524)]