16406005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 25141248

約数和(自身を除く): 8735243

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 991, 1505, 2365, 3311, 4955, 6937, 10901, 16555, 34685, 42613, 54505, 76307, 213065, 298291, 381535, 468743, 1491455, 2343715, 3281201, 16406005]

約数ペア:

[(1, 16406005), (5, 3281201), (7, 2343715), (11, 1491455), (35, 468743), (43, 381535), (55, 298291), (77, 213065), (215, 76307), (301, 54505), (385, 42613), (473, 34685), (991, 16555), (1505, 10901), (2365, 6937), (3311, 4955)]