81864202

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 148778208

約数和(自身を除く): 66914006

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 107, 211, 214, 259, 422, 518, 749, 1477, 1498, 1813, 2954, 3626, 3959, 5243, 7807, 7918, 10339, 10486, 15614, 20678, 22577, 27713, 45154, 54649, 55426, 109298, 158039, 193991, 316078, 382543, 387982, 765086, 835349, 1106273, 1670698, 2212546, 5847443, 11694886, 40932101, 81864202]

約数ペア:

[(1, 81864202), (2, 40932101), (7, 11694886), (14, 5847443), (37, 2212546), (49, 1670698), (74, 1106273), (98, 835349), (107, 765086), (211, 387982), (214, 382543), (259, 316078), (422, 193991), (518, 158039), (749, 109298), (1477, 55426), (1498, 54649), (1813, 45154), (2954, 27713), (3626, 22577), (3959, 20678), (5243, 15614), (7807, 10486), (7918, 10339)]