12257584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:749

約数の個数: 40

約数和(自身を含む): 25447280

約数和(自身を除く): 13189696

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 661, 976, 1159, 1322, 2318, 2644, 4636, 5288, 9272, 10576, 12559, 18544, 25118, 40321, 50236, 80642, 100472, 161284, 200944, 322568, 645136, 766099, 1532198, 3064396, 6128792, 12257584]

約数ペア:

[(1, 12257584), (2, 6128792), (4, 3064396), (8, 1532198), (16, 766099), (19, 645136), (38, 322568), (61, 200944), (76, 161284), (122, 100472), (152, 80642), (244, 50236), (304, 40321), (488, 25118), (661, 18544), (976, 12559), (1159, 10576), (1322, 9272), (2318, 5288), (2644, 4636)]