40208987

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 51035040

約数和(自身を除く): 10826053

約数列:

[1, 7, 13, 41, 91, 169, 287, 533, 829, 1183, 3731, 5803, 6929, 10777, 33989, 48503, 75439, 140101, 237923, 441857, 980707, 3092999, 5744141, 40208987]

約数ペア:

[(1, 40208987), (7, 5744141), (13, 3092999), (41, 980707), (91, 441857), (169, 237923), (287, 140101), (533, 75439), (829, 48503), (1183, 33989), (3731, 10777), (5803, 6929)]