138777535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{21139}}^1$

素因数の和:21258

約数の個数: 16

約数和(自身を含む): 181127520

約数和(自身を除く): 42349985

約数列:

[1, 5, 13, 65, 101, 505, 1313, 6565, 21139, 105695, 274807, 1374035, 2135039, 10675195, 27755507, 138777535]

約数ペア:

[(1, 138777535), (5, 27755507), (13, 10675195), (65, 2135039), (101, 1374035), (505, 274807), (1313, 105695), (6565, 21139)]