640836834

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{40289}}^1$

素因数の和:40546

約数の個数: 32

約数和(自身を含む): 1404025920

約数和(自身を除く): 763189086

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 241, 482, 723, 1446, 2651, 5302, 7953, 15906, 40289, 80578, 120867, 241734, 443179, 886358, 1329537, 2659074, 9709649, 19419298, 29128947, 58257894, 106806139, 213612278, 320418417, 640836834]

約数ペア:

[(1, 640836834), (2, 320418417), (3, 213612278), (6, 106806139), (11, 58257894), (22, 29128947), (33, 19419298), (66, 9709649), (241, 2659074), (482, 1329537), (723, 886358), (1446, 443179), (2651, 241734), (5302, 120867), (7953, 80578), (15906, 40289)]