42782201

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{17923}}^1$

素因数の和:17972

約数の個数: 16

約数和(自身を含む): 55062528

約数和(自身を除く): 12280327

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 17923, 125461, 197153, 555613, 1380071, 3889291, 6111743, 42782201]

約数ペア:

[(1, 42782201), (7, 6111743), (11, 3889291), (31, 1380071), (77, 555613), (217, 197153), (341, 125461), (2387, 17923)]