639149852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{4973}}^1$

素因数の和:5138

約数の個数: 48

約数和(自身を含む): 1283530752

約数和(自身を除く): 644380900

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 127, 253, 254, 506, 508, 1012, 1397, 2794, 2921, 4973, 5588, 5842, 9946, 11684, 19892, 32131, 54703, 64262, 109406, 114379, 128524, 218812, 228758, 457516, 631571, 1258169, 1263142, 2516338, 2526284, 5032676, 6947281, 13894562, 14526133, 27789124, 29052266, 58104532, 159787463, 319574926, 639149852]

約数ペア:

[(1, 639149852), (2, 319574926), (4, 159787463), (11, 58104532), (22, 29052266), (23, 27789124), (44, 14526133), (46, 13894562), (92, 6947281), (127, 5032676), (253, 2526284), (254, 2516338), (506, 1263142), (508, 1258169), (1012, 631571), (1397, 457516), (2794, 228758), (2921, 218812), (4973, 128524), (5588, 114379), (5842, 109406), (9946, 64262), (11684, 54703), (19892, 32131)]