615428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 24

約数和(自身を含む): 1197504

約数和(自身を除く): 582076

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 197, 284, 394, 781, 788, 1562, 2167, 3124, 4334, 8668, 13987, 27974, 55948, 153857, 307714, 615428]

約数ペア:

[(1, 615428), (2, 307714), (4, 153857), (11, 55948), (22, 27974), (44, 13987), (71, 8668), (142, 4334), (197, 3124), (284, 2167), (394, 1562), (781, 788)]