81791048

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 163860480

約数和(自身を除く): 82069432

約数列:

[1, 2, 4, 8, 19, 38, 76, 127, 152, 223, 254, 361, 446, 508, 722, 892, 1016, 1444, 1784, 2413, 2888, 4237, 4826, 8474, 9652, 16948, 19304, 28321, 33896, 45847, 56642, 80503, 91694, 113284, 161006, 183388, 226568, 322012, 366776, 538099, 644024, 1076198, 2152396, 4304792, 10223881, 20447762, 40895524, 81791048]

約数ペア:

[(1, 81791048), (2, 40895524), (4, 20447762), (8, 10223881), (19, 4304792), (38, 2152396), (76, 1076198), (127, 644024), (152, 538099), (223, 366776), (254, 322012), (361, 226568), (446, 183388), (508, 161006), (722, 113284), (892, 91694), (1016, 80503), (1444, 56642), (1784, 45847), (2413, 33896), (2888, 28321), (4237, 19304), (4826, 16948), (8474, 9652)]