8905990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28729}}^1$

素因数の和:28767

約数の個数: 16

約数和(自身を含む): 16548480

約数和(自身を除く): 7642490

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 28729, 57458, 143645, 287290, 890599, 1781198, 4452995, 8905990]

約数ペア:

[(1, 8905990), (2, 4452995), (5, 1781198), (10, 890599), (31, 287290), (62, 143645), (155, 57458), (310, 28729)]