9999908

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1237}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 18302592

約数和(自身を除く): 8302684

約数列:

[1, 2, 4, 43, 47, 86, 94, 172, 188, 1237, 2021, 2474, 4042, 4948, 8084, 53191, 58139, 106382, 116278, 212764, 232556, 2499977, 4999954, 9999908]

約数ペア:

[(1, 9999908), (2, 4999954), (4, 2499977), (43, 232556), (47, 212764), (86, 116278), (94, 106382), (172, 58139), (188, 53191), (1237, 8084), (2021, 4948), (2474, 4042)]