138659017

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{1483}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 171882816

約数和(自身を除く): 33223799

約数列:

[1, 7, 19, 37, 133, 259, 361, 703, 1483, 2527, 4921, 10381, 13357, 28177, 54871, 93499, 197239, 384097, 535363, 1042549, 3747541, 7297843, 19808431, 138659017]

約数ペア:

[(1, 138659017), (7, 19808431), (19, 7297843), (37, 3747541), (133, 1042549), (259, 535363), (361, 384097), (703, 197239), (1483, 93499), (2527, 54871), (4921, 28177), (10381, 13357)]