490709506

素因数分解:

$2^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1\times {\mathrm{991}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 852231168

約数和(自身を除く): 361521662

約数列:

[1, 2, 7, 14, 113, 226, 313, 626, 791, 991, 1582, 1982, 2191, 4382, 6937, 13874, 35369, 70738, 111983, 223966, 247583, 310183, 495166, 620366, 783881, 1567762, 2171281, 4342562, 35050679, 70101358, 245354753, 490709506]

約数ペア:

[(1, 490709506), (2, 245354753), (7, 70101358), (14, 35050679), (113, 4342562), (226, 2171281), (313, 1567762), (626, 783881), (791, 620366), (991, 495166), (1582, 310183), (1982, 247583), (2191, 223966), (4382, 111983), (6937, 70738), (13874, 35369)]