28121030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12959}}^1$

素因数の和:13004

約数の個数: 32

約数和(自身を含む): 59719680

約数和(自身を除く): 31598650

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 12959, 25918, 64795, 90713, 129590, 181426, 401729, 453565, 803458, 907130, 2008645, 2812103, 4017290, 5624206, 14060515, 28121030]

約数ペア:

[(1, 28121030), (2, 14060515), (5, 5624206), (7, 4017290), (10, 2812103), (14, 2008645), (31, 907130), (35, 803458), (62, 453565), (70, 401729), (155, 181426), (217, 129590), (310, 90713), (434, 64795), (1085, 25918), (2170, 12959)]