99981570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{256363}}^1$

素因数の和:256386

約数の個数: 32

約数和(自身を含む): 258414912

約数和(自身を除く): 158433342

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 256363, 512726, 769089, 1281815, 1538178, 2563630, 3332719, 3845445, 6665438, 7690890, 9998157, 16663595, 19996314, 33327190, 49990785, 99981570]

約数ペア:

[(1, 99981570), (2, 49990785), (3, 33327190), (5, 19996314), (6, 16663595), (10, 9998157), (13, 7690890), (15, 6665438), (26, 3845445), (30, 3332719), (39, 2563630), (65, 1538178), (78, 1281815), (130, 769089), (195, 512726), (390, 256363)]