129721025

素因数分解:

$5^2\times 7^1\times {\mathrm{463}}^1\times {\mathrm{1601}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 184345344

約数和(自身を除く): 54624319

約数列:

[1, 5, 7, 25, 35, 175, 463, 1601, 2315, 3241, 8005, 11207, 11575, 16205, 40025, 56035, 81025, 280175, 741263, 3706315, 5188841, 18531575, 25944205, 129721025]

約数ペア:

[(1, 129721025), (5, 25944205), (7, 18531575), (25, 5188841), (35, 3706315), (175, 741263), (463, 280175), (1601, 81025), (2315, 56035), (3241, 40025), (8005, 16205), (11207, 11575)]