2005809995

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{19687}}^1$

素因数の和:19811

約数の個数: 32

約数和(自身を含む): 2857752576

約数和(自身を除く): 851942581

約数列:

[1, 5, 7, 35, 41, 71, 205, 287, 355, 497, 1435, 2485, 2911, 14555, 19687, 20377, 98435, 101885, 137809, 689045, 807167, 1397777, 4035835, 5650169, 6988885, 9784439, 28250845, 48922195, 57308857, 286544285, 401161999, 2005809995]

約数ペア:

[(1, 2005809995), (5, 401161999), (7, 286544285), (35, 57308857), (41, 48922195), (71, 28250845), (205, 9784439), (287, 6988885), (355, 5650169), (497, 4035835), (1435, 1397777), (2485, 807167), (2911, 689045), (14555, 137809), (19687, 101885), (20377, 98435)]