138897016

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{2521}}^1$

素因数の和:2695

約数の個数: 32

約数和(自身を含む): 266928480

約数和(自身を除く): 128031464

約数列:

[1, 2, 4, 8, 71, 97, 142, 194, 284, 388, 568, 776, 2521, 5042, 6887, 10084, 13774, 20168, 27548, 55096, 178991, 244537, 357982, 489074, 715964, 978148, 1431928, 1956296, 17362127, 34724254, 69448508, 138897016]

約数ペア:

[(1, 138897016), (2, 69448508), (4, 34724254), (8, 17362127), (71, 1956296), (97, 1431928), (142, 978148), (194, 715964), (284, 489074), (388, 357982), (568, 244537), (776, 178991), (2521, 55096), (5042, 27548), (6887, 20168), (10084, 13774)]