645359388

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{9319}}^1$

素因数の和:9554

約数の個数: 48

約数和(自身を含む): 1565760000

約数和(自身を除く): 920400612

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 199, 348, 398, 597, 796, 1194, 2388, 5771, 9319, 11542, 17313, 18638, 23084, 27957, 34626, 37276, 55914, 69252, 111828, 270251, 540502, 810753, 1081004, 1621506, 1854481, 3243012, 3708962, 5563443, 7417924, 11126886, 22253772, 53779949, 107559898, 161339847, 215119796, 322679694, 645359388]

約数ペア:

[(1, 645359388), (2, 322679694), (3, 215119796), (4, 161339847), (6, 107559898), (12, 53779949), (29, 22253772), (58, 11126886), (87, 7417924), (116, 5563443), (174, 3708962), (199, 3243012), (348, 1854481), (398, 1621506), (597, 1081004), (796, 810753), (1194, 540502), (2388, 270251), (5771, 111828), (9319, 69252), (11542, 55914), (17313, 37276), (18638, 34626), (23084, 27957)]