978922

素因数分解:

$2^1\times 7^3\times {\mathrm{1427}}^1$

素因数の和:1450

約数の個数: 16

約数和(自身を含む): 1713600

約数和(自身を除く): 734678

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 1427, 2854, 9989, 19978, 69923, 139846, 489461, 978922]

約数ペア:

[(1, 978922), (2, 489461), (7, 139846), (14, 69923), (49, 19978), (98, 9989), (343, 2854), (686, 1427)]