87431988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1040857}}^1$

素因数の和:1040871

約数の個数: 24

約数和(自身を含む): 233152192

約数和(自身を除く): 145720204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1040857, 2081714, 3122571, 4163428, 6245142, 7285999, 12490284, 14571998, 21857997, 29143996, 43715994, 87431988]

約数ペア:

[(1, 87431988), (2, 43715994), (3, 29143996), (4, 21857997), (6, 14571998), (7, 12490284), (12, 7285999), (14, 6245142), (21, 4163428), (28, 3122571), (42, 2081714), (84, 1040857)]