12280345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 18579456

約数和(自身を除く): 6299111

約数列:

[1, 5, 7, 11, 35, 55, 77, 167, 191, 385, 835, 955, 1169, 1337, 1837, 2101, 5845, 6685, 9185, 10505, 12859, 14707, 31897, 64295, 73535, 159485, 223279, 350867, 1116395, 1754335, 2456069, 12280345]

約数ペア:

[(1, 12280345), (5, 2456069), (7, 1754335), (11, 1116395), (35, 350867), (55, 223279), (77, 159485), (167, 73535), (191, 64295), (385, 31897), (835, 14707), (955, 12859), (1169, 10505), (1337, 9185), (1837, 6685), (2101, 5845)]