8999984

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{751}}^1$

素因数の和:873

約数の個数: 40

約数和(自身を含む): 20141568

約数和(自身を除く): 11141584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 751, 856, 1498, 1502, 1712, 2996, 3004, 5257, 5992, 6008, 10514, 11984, 12016, 21028, 42056, 80357, 84112, 160714, 321428, 562499, 642856, 1124998, 1285712, 2249996, 4499992, 8999984]

約数ペア:

[(1, 8999984), (2, 4499992), (4, 2249996), (7, 1285712), (8, 1124998), (14, 642856), (16, 562499), (28, 321428), (56, 160714), (107, 84112), (112, 80357), (214, 42056), (428, 21028), (749, 12016), (751, 11984), (856, 10514), (1498, 6008), (1502, 5992), (1712, 5257), (2996, 3004)]