1288572257

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{18049}}^1$

素因数の和:18141

約数の個数: 24

約数和(自身を含む): 1580313600

約数和(自身を除く): 291741343

約数列:

[1, 7, 31, 47, 49, 217, 329, 1457, 1519, 2303, 10199, 18049, 71393, 126343, 559519, 848303, 884401, 3916633, 5938121, 26297393, 27416431, 41566847, 184081751, 1288572257]

約数ペア:

[(1, 1288572257), (7, 184081751), (31, 41566847), (47, 27416431), (49, 26297393), (217, 5938121), (329, 3916633), (1457, 884401), (1519, 848303), (2303, 559519), (10199, 126343), (18049, 71393)]