391619688

素因数分解:

$2^3\times 3^1\times {\mathrm{1997}}^1\times {\mathrm{8171}}^1$

素因数の和:10177

約数の個数: 32

約数和(自身を含む): 979659360

約数和(自身を除く): 588039672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 1997, 3994, 5991, 7988, 8171, 11982, 15976, 16342, 23964, 24513, 32684, 47928, 49026, 65368, 98052, 196104, 16317487, 32634974, 48952461, 65269948, 97904922, 130539896, 195809844, 391619688]

約数ペア:

[(1, 391619688), (2, 195809844), (3, 130539896), (4, 97904922), (6, 65269948), (8, 48952461), (12, 32634974), (24, 16317487), (1997, 196104), (3994, 98052), (5991, 65368), (7988, 49026), (8171, 47928), (11982, 32684), (15976, 24513), (16342, 23964)]