2947142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1229}}^1$

素因数の和:1351

約数の個数: 16

約数和(自身を含む): 4870800

約数和(自身を除く): 1923658

約数列:

[1, 2, 11, 22, 109, 218, 1199, 1229, 2398, 2458, 13519, 27038, 133961, 267922, 1473571, 2947142]

約数ペア:

[(1, 2947142), (2, 1473571), (11, 267922), (22, 133961), (109, 27038), (218, 13519), (1199, 2458), (1229, 2398)]