12180688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:551

約数の個数: 40

約数和(自身を含む): 25645928

約数和(自身を除く): 13465240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 373, 628, 746, 1256, 1492, 2041, 2512, 2984, 4082, 4849, 5968, 8164, 9698, 16328, 19396, 32656, 38792, 58561, 77584, 117122, 234244, 468488, 761293, 936976, 1522586, 3045172, 6090344, 12180688]

約数ペア:

[(1, 12180688), (2, 6090344), (4, 3045172), (8, 1522586), (13, 936976), (16, 761293), (26, 468488), (52, 234244), (104, 117122), (157, 77584), (208, 58561), (314, 38792), (373, 32656), (628, 19396), (746, 16328), (1256, 9698), (1492, 8164), (2041, 5968), (2512, 4849), (2984, 4082)]