81116248

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 168933600

約数和(自身を除く): 87817352

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 131, 136, 157, 232, 262, 314, 493, 524, 628, 986, 1048, 1256, 1972, 2227, 2669, 3799, 3944, 4454, 4553, 5338, 7598, 8908, 9106, 10676, 15196, 17816, 18212, 20567, 21352, 30392, 36424, 41134, 64583, 77401, 82268, 129166, 154802, 164536, 258332, 309604, 349639, 516664, 596443, 619208, 699278, 1192886, 1398556, 2385772, 2797112, 4771544, 10139531, 20279062, 40558124, 81116248]

約数ペア:

[(1, 81116248), (2, 40558124), (4, 20279062), (8, 10139531), (17, 4771544), (29, 2797112), (34, 2385772), (58, 1398556), (68, 1192886), (116, 699278), (131, 619208), (136, 596443), (157, 516664), (232, 349639), (262, 309604), (314, 258332), (493, 164536), (524, 154802), (628, 129166), (986, 82268), (1048, 77401), (1256, 64583), (1972, 41134), (2227, 36424), (2669, 30392), (3799, 21352), (3944, 20567), (4454, 18212), (4553, 17816), (5338, 15196), (7598, 10676), (8908, 9106)]