338389961

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1511}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 438939648

約数和(自身を除く): 100549687

約数列:

[1, 7, 13, 23, 91, 107, 161, 299, 749, 1391, 1511, 2093, 2461, 9737, 10577, 17227, 19643, 31993, 34753, 137501, 161677, 223951, 243271, 451789, 1131739, 2101801, 3162523, 3718571, 14712607, 26029997, 48341423, 338389961]

約数ペア:

[(1, 338389961), (7, 48341423), (13, 26029997), (23, 14712607), (91, 3718571), (107, 3162523), (161, 2101801), (299, 1131739), (749, 451789), (1391, 243271), (1511, 223951), (2093, 161677), (2461, 137501), (9737, 34753), (10577, 31993), (17227, 19643)]