991399499

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{88589}}^1$

素因数の和:88658

約数の個数: 12

約数和(自身を含む): 1080089280

約数和(自身を除く): 88689781

約数列:

[1, 19, 31, 361, 589, 11191, 88589, 1683191, 2746259, 31980629, 52178921, 991399499]

約数ペア:

[(1, 991399499), (19, 52178921), (31, 31980629), (361, 2746259), (589, 1683191), (11191, 88589)]