1247844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 3308480

約数和(自身を除く): 2060636

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 421, 494, 741, 842, 988, 1263, 1482, 1684, 2526, 2964, 5052, 5473, 7999, 10946, 15998, 16419, 21892, 23997, 31996, 32838, 47994, 65676, 95988, 103987, 207974, 311961, 415948, 623922, 1247844]

約数ペア:

[(1, 1247844), (2, 623922), (3, 415948), (4, 311961), (6, 207974), (12, 103987), (13, 95988), (19, 65676), (26, 47994), (38, 32838), (39, 31996), (52, 23997), (57, 21892), (76, 16419), (78, 15998), (114, 10946), (156, 7999), (228, 5473), (247, 5052), (421, 2964), (494, 2526), (741, 1684), (842, 1482), (988, 1263)]