12700816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1019}}^1$

素因数の和:1087

約数の個数: 40

約数和(自身を含む): 26560800

約数和(自身を除く): 13859984

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1019, 1558, 2038, 3116, 4076, 6232, 8152, 12464, 16304, 19361, 38722, 41779, 77444, 83558, 154888, 167116, 309776, 334232, 668464, 793801, 1587602, 3175204, 6350408, 12700816]

約数ペア:

[(1, 12700816), (2, 6350408), (4, 3175204), (8, 1587602), (16, 793801), (19, 668464), (38, 334232), (41, 309776), (76, 167116), (82, 154888), (152, 83558), (164, 77444), (304, 41779), (328, 38722), (656, 19361), (779, 16304), (1019, 12464), (1558, 8152), (2038, 6232), (3116, 4076)]