978494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:655

約数の個数: 16

約数和(自身を含む): 1624320

約数和(自身を除く): 645826

約数列:

[1, 2, 11, 22, 79, 158, 563, 869, 1126, 1738, 6193, 12386, 44477, 88954, 489247, 978494]

約数ペア:

[(1, 978494), (2, 489247), (11, 88954), (22, 44477), (79, 12386), (158, 6193), (563, 1738), (869, 1126)]