16781986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9091}}^1$

素因数の和:9177

約数の個数: 16

約数和(自身を含む): 27494208

約数和(自身を除く): 10712222

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 9091, 18182, 118183, 236366, 645461, 1290922, 8390993, 16781986]

約数ペア:

[(1, 16781986), (2, 8390993), (13, 1290922), (26, 645461), (71, 236366), (142, 118183), (923, 18182), (1846, 9091)]