16780445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 23607936

約数和(自身を除く): 6827491

約数列:

[1, 5, 11, 17, 55, 85, 131, 137, 187, 655, 685, 935, 1441, 1507, 2227, 2329, 7205, 7535, 11135, 11645, 17947, 24497, 25619, 89735, 122485, 128095, 197417, 305099, 987085, 1525495, 3356089, 16780445]

約数ペア:

[(1, 16780445), (5, 3356089), (11, 1525495), (17, 987085), (55, 305099), (85, 197417), (131, 128095), (137, 122485), (187, 89735), (655, 25619), (685, 24497), (935, 17947), (1441, 11645), (1507, 11135), (2227, 7535), (2329, 7205)]