409975124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1291}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 802238976

約数和(自身を除く): 392263852

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 197, 394, 403, 788, 806, 1291, 1612, 2561, 2582, 5122, 5164, 6107, 10244, 12214, 16783, 24428, 33566, 40021, 67132, 79391, 80042, 158782, 160084, 254327, 317564, 508654, 520273, 1017308, 1040546, 2081092, 3306251, 6612502, 7884137, 13225004, 15768274, 31536548, 102493781, 204987562, 409975124]

約数ペア:

[(1, 409975124), (2, 204987562), (4, 102493781), (13, 31536548), (26, 15768274), (31, 13225004), (52, 7884137), (62, 6612502), (124, 3306251), (197, 2081092), (394, 1040546), (403, 1017308), (788, 520273), (806, 508654), (1291, 317564), (1612, 254327), (2561, 160084), (2582, 158782), (5122, 80042), (5164, 79391), (6107, 67132), (10244, 40021), (12214, 33566), (16783, 24428)]