72991724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 144060000

約数和(自身を除く): 71068276

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 97, 116, 194, 377, 388, 499, 754, 998, 1261, 1508, 1996, 2522, 2813, 5044, 5626, 6487, 11252, 12974, 14471, 25948, 28942, 36569, 48403, 57884, 73138, 96806, 146276, 188123, 193612, 376246, 629239, 752492, 1258478, 1403687, 2516956, 2807374, 5614748, 18247931, 36495862, 72991724]

約数ペア:

[(1, 72991724), (2, 36495862), (4, 18247931), (13, 5614748), (26, 2807374), (29, 2516956), (52, 1403687), (58, 1258478), (97, 752492), (116, 629239), (194, 376246), (377, 193612), (388, 188123), (499, 146276), (754, 96806), (998, 73138), (1261, 57884), (1508, 48403), (1996, 36569), (2522, 28942), (2813, 25948), (5044, 14471), (5626, 12974), (6487, 11252)]