12990376

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 30384000

約数和(自身を除く): 17393624

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 38, 56, 58, 76, 116, 133, 152, 203, 232, 266, 406, 421, 532, 551, 812, 842, 1064, 1102, 1624, 1684, 2204, 2947, 3368, 3857, 4408, 5894, 7714, 7999, 11788, 12209, 15428, 15998, 23576, 24418, 30856, 31996, 48836, 55993, 63992, 85463, 97672, 111986, 170926, 223972, 231971, 341852, 447944, 463942, 683704, 927884, 1623797, 1855768, 3247594, 6495188, 12990376]

約数ペア:

[(1, 12990376), (2, 6495188), (4, 3247594), (7, 1855768), (8, 1623797), (14, 927884), (19, 683704), (28, 463942), (29, 447944), (38, 341852), (56, 231971), (58, 223972), (76, 170926), (116, 111986), (133, 97672), (152, 85463), (203, 63992), (232, 55993), (266, 48836), (406, 31996), (421, 30856), (532, 24418), (551, 23576), (812, 15998), (842, 15428), (1064, 12209), (1102, 11788), (1624, 7999), (1684, 7714), (2204, 5894), (2947, 4408), (3368, 3857)]