28208590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{461}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 52889760

約数和(自身を除く): 24681170

約数列:

[1, 2, 5, 10, 29, 58, 145, 211, 290, 422, 461, 922, 1055, 2110, 2305, 4610, 6119, 12238, 13369, 26738, 30595, 61190, 66845, 97271, 133690, 194542, 486355, 972710, 2820859, 5641718, 14104295, 28208590]

約数ペア:

[(1, 28208590), (2, 14104295), (5, 5641718), (10, 2820859), (29, 972710), (58, 486355), (145, 194542), (211, 133690), (290, 97271), (422, 66845), (461, 61190), (922, 30595), (1055, 26738), (2110, 13369), (2305, 12238), (4610, 6119)]