858493741

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1\times {\mathrm{1553}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 989985024

約数和(自身を除く): 131491283

約数列:

[1, 7, 157, 503, 1099, 1553, 3521, 10871, 78971, 243821, 552797, 781159, 1706747, 5468113, 122641963, 858493741]

約数ペア:

[(1, 858493741), (7, 122641963), (157, 5468113), (503, 1706747), (1099, 781159), (1553, 552797), (3521, 243821), (10871, 78971)]