28426190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{487}}^1$

素因数の和:956

約数の個数: 32

約数和(自身を含む): 55339200

約数和(自身を除く): 26913010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 449, 487, 898, 974, 2245, 2435, 4490, 4870, 5837, 6331, 11674, 12662, 29185, 31655, 58370, 63310, 218663, 437326, 1093315, 2186630, 2842619, 5685238, 14213095, 28426190]

約数ペア:

[(1, 28426190), (2, 14213095), (5, 5685238), (10, 2842619), (13, 2186630), (26, 1093315), (65, 437326), (130, 218663), (449, 63310), (487, 58370), (898, 31655), (974, 29185), (2245, 12662), (2435, 11674), (4490, 6331), (4870, 5837)]