637487556

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{72673}}^1$

素因数の和:72740

約数の個数: 48

約数和(自身を含む): 1611618624

約数和(自身を除く): 974131068

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 172, 204, 258, 516, 731, 1462, 2193, 2924, 4386, 8772, 72673, 145346, 218019, 290692, 436038, 872076, 1235441, 2470882, 3124939, 3706323, 4941764, 6249878, 7412646, 9374817, 12499756, 14825292, 18749634, 37499268, 53123963, 106247926, 159371889, 212495852, 318743778, 637487556]

約数ペア:

[(1, 637487556), (2, 318743778), (3, 212495852), (4, 159371889), (6, 106247926), (12, 53123963), (17, 37499268), (34, 18749634), (43, 14825292), (51, 12499756), (68, 9374817), (86, 7412646), (102, 6249878), (129, 4941764), (172, 3706323), (204, 3124939), (258, 2470882), (516, 1235441), (731, 872076), (1462, 436038), (2193, 290692), (2924, 218019), (4386, 145346), (8772, 72673)]