81905494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{100621}}^1$

素因数の和:100671

約数の個数: 16

約数和(自身を含む): 137650896

約数和(自身を除く): 55745402

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 100621, 201242, 1106831, 2213662, 3722977, 7445954, 40952747, 81905494]

約数ペア:

[(1, 81905494), (2, 40952747), (11, 7445954), (22, 3722977), (37, 2213662), (74, 1106831), (407, 201242), (814, 100621)]