204400775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1453}}^1$

素因数の和:1811

約数の個数: 24

約数和(自身を含む): 269362224

約数和(自身を除く): 64961449

約数列:

[1, 5, 17, 25, 85, 331, 425, 1453, 1655, 5627, 7265, 8275, 24701, 28135, 36325, 123505, 140675, 480943, 617525, 2404715, 8176031, 12023575, 40880155, 204400775]

約数ペア:

[(1, 204400775), (5, 40880155), (17, 12023575), (25, 8176031), (85, 2404715), (331, 617525), (425, 480943), (1453, 140675), (1655, 123505), (5627, 36325), (7265, 28135), (8275, 24701)]