990039376

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{783259}}^1$

素因数の和:783346

約数の個数: 20

約数和(自身を含む): 1942484800

約数和(自身を除く): 952445424

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 783259, 1566518, 3133036, 6266072, 12532144, 61877461, 123754922, 247509844, 495019688, 990039376]

約数ペア:

[(1, 990039376), (2, 495019688), (4, 247509844), (8, 123754922), (16, 61877461), (79, 12532144), (158, 6266072), (316, 3133036), (632, 1566518), (1264, 783259)]