1421843975

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{8089}}^1$

素因数の和:8267

約数の個数: 24

約数和(自身を含む): 1805688000

約数和(自身を除く): 383844025

約数列:

[1, 5, 25, 79, 89, 395, 445, 1975, 2225, 7031, 8089, 35155, 40445, 175775, 202225, 639031, 719921, 3195155, 3599605, 15975775, 17998025, 56873759, 284368795, 1421843975]

約数ペア:

[(1, 1421843975), (5, 284368795), (25, 56873759), (79, 17998025), (89, 15975775), (395, 3599605), (445, 3195155), (1975, 719921), (2225, 639031), (7031, 202225), (8089, 175775), (35155, 40445)]