81928244

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{1993}}^1$

素因数の和:2279

約数の個数: 24

約数和(自身を含む): 147396480

約数和(自身を除く): 65468236

約数列:

[1, 2, 4, 43, 86, 172, 239, 478, 956, 1993, 3986, 7972, 10277, 20554, 41108, 85699, 171398, 342796, 476327, 952654, 1905308, 20482061, 40964122, 81928244]

約数ペア:

[(1, 81928244), (2, 40964122), (4, 20482061), (43, 1905308), (86, 952654), (172, 476327), (239, 342796), (478, 171398), (956, 85699), (1993, 41108), (3986, 20554), (7972, 10277)]