199778312

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{823}}^1\times {\mathrm{1597}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 395025600

約数和(自身を除く): 195247288

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 823, 1597, 1646, 3194, 3292, 6388, 6584, 12776, 15637, 30343, 31274, 60686, 62548, 121372, 125096, 242744, 1314331, 2628662, 5257324, 10514648, 24972289, 49944578, 99889156, 199778312]

約数ペア:

[(1, 199778312), (2, 99889156), (4, 49944578), (8, 24972289), (19, 10514648), (38, 5257324), (76, 2628662), (152, 1314331), (823, 242744), (1597, 125096), (1646, 121372), (3194, 62548), (3292, 60686), (6388, 31274), (6584, 30343), (12776, 15637)]