213247145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1\times {\mathrm{1979}}^1$

素因数の和:2944

約数の個数: 16

約数和(自身を含む): 267442560

約数和(自身を除く): 54195415

約数列:

[1, 5, 23, 115, 937, 1979, 4685, 9895, 21551, 45517, 107755, 227585, 1854323, 9271615, 42649429, 213247145]

約数ペア:

[(1, 213247145), (5, 42649429), (23, 9271615), (115, 1854323), (937, 227585), (1979, 107755), (4685, 45517), (9895, 21551)]