641005052

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{443}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 1203417600

約数和(自身を除く): 562412548

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 241, 316, 443, 482, 886, 964, 1501, 1772, 3002, 4579, 6004, 8417, 9158, 16834, 18316, 19039, 33668, 34997, 38078, 69994, 76156, 106763, 139988, 213526, 361741, 427052, 664943, 723482, 1329886, 1446964, 2028497, 2659772, 4056994, 8113988, 8434277, 16868554, 33737108, 160251263, 320502526, 641005052]

約数ペア:

[(1, 641005052), (2, 320502526), (4, 160251263), (19, 33737108), (38, 16868554), (76, 8434277), (79, 8113988), (158, 4056994), (241, 2659772), (316, 2028497), (443, 1446964), (482, 1329886), (886, 723482), (964, 664943), (1501, 427052), (1772, 361741), (3002, 213526), (4579, 139988), (6004, 106763), (8417, 76156), (9158, 69994), (16834, 38078), (18316, 34997), (19039, 33668)]