2720249

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 3319680

約数和(自身を除く): 599431

約数列:

[1, 7, 19, 113, 133, 181, 791, 1267, 2147, 3439, 15029, 20453, 24073, 143171, 388607, 2720249]

約数ペア:

[(1, 2720249), (7, 388607), (19, 143171), (113, 24073), (133, 20453), (181, 15029), (791, 3439), (1267, 2147)]