988109890

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{663161}}^1$

素因数の和:663317

約数の個数: 16

約数和(自身を含む): 1790537400

約数和(自身を除く): 802427510

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 663161, 1326322, 3315805, 6631610, 98810989, 197621978, 494054945, 988109890]

約数ペア:

[(1, 988109890), (2, 494054945), (5, 197621978), (10, 98810989), (149, 6631610), (298, 3315805), (745, 1326322), (1490, 663161)]