28872910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1319}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 57024000

約数和(自身を除く): 28151090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1319, 1990, 2189, 2638, 4378, 6595, 10945, 13190, 14509, 21890, 29018, 72545, 145090, 262481, 524962, 1312405, 2624810, 2887291, 5774582, 14436455, 28872910]

約数ペア:

[(1, 28872910), (2, 14436455), (5, 5774582), (10, 2887291), (11, 2624810), (22, 1312405), (55, 524962), (110, 262481), (199, 145090), (398, 72545), (995, 29018), (1319, 21890), (1990, 14509), (2189, 13190), (2638, 10945), (4378, 6595)]