81190142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1\times {\mathrm{4051}}^1$

素因数の和:4975

約数の個数: 16

約数和(自身を含む): 133035264

約数和(自身を除く): 51845122

約数列:

[1, 2, 11, 22, 911, 1822, 4051, 8102, 10021, 20042, 44561, 89122, 3690461, 7380922, 40595071, 81190142]

約数ペア:

[(1, 81190142), (2, 40595071), (11, 7380922), (22, 3690461), (911, 89122), (1822, 44561), (4051, 20042), (8102, 10021)]