642421456

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{33769}}^1$

素因数の和:33847

約数の個数: 40

約数和(自身を含む): 1319056200

約数和(自身を除く): 676634744

約数列:

[1, 2, 4, 8, 16, 29, 41, 58, 82, 116, 164, 232, 328, 464, 656, 1189, 2378, 4756, 9512, 19024, 33769, 67538, 135076, 270152, 540304, 979301, 1384529, 1958602, 2769058, 3917204, 5538116, 7834408, 11076232, 15668816, 22152464, 40151341, 80302682, 160605364, 321210728, 642421456]

約数ペア:

[(1, 642421456), (2, 321210728), (4, 160605364), (8, 80302682), (16, 40151341), (29, 22152464), (41, 15668816), (58, 11076232), (82, 7834408), (116, 5538116), (164, 3917204), (232, 2769058), (328, 1958602), (464, 1384529), (656, 979301), (1189, 540304), (2378, 270152), (4756, 135076), (9512, 67538), (19024, 33769)]