28365290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{443}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 54025920

約数和(自身を除く): 25660630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 337, 443, 674, 886, 1685, 2215, 3370, 4430, 6403, 8417, 12806, 16834, 32015, 42085, 64030, 84170, 149291, 298582, 746455, 1492910, 2836529, 5673058, 14182645, 28365290]

約数ペア:

[(1, 28365290), (2, 14182645), (5, 5673058), (10, 2836529), (19, 1492910), (38, 746455), (95, 298582), (190, 149291), (337, 84170), (443, 64030), (674, 42085), (886, 32015), (1685, 16834), (2215, 12806), (3370, 8417), (4430, 6403)]