81050528

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 184415616

約数和(自身を除く): 103365088

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 43, 46, 52, 86, 92, 104, 172, 184, 197, 208, 299, 344, 368, 394, 416, 559, 598, 688, 736, 788, 989, 1118, 1196, 1376, 1576, 1978, 2236, 2392, 2561, 3152, 3956, 4472, 4531, 4784, 5122, 6304, 7912, 8471, 8944, 9062, 9568, 10244, 12857, 15824, 16942, 17888, 18124, 20488, 25714, 31648, 33884, 36248, 40976, 51428, 58903, 67768, 72496, 81952, 102856, 110123, 117806, 135536, 144992, 194833, 205712, 220246, 235612, 271072, 389666, 411424, 440492, 471224, 779332, 880984, 942448, 1558664, 1761968, 1884896, 2532829, 3117328, 3523936, 5065658, 6234656, 10131316, 20262632, 40525264, 81050528]

約数ペア:

[(1, 81050528), (2, 40525264), (4, 20262632), (8, 10131316), (13, 6234656), (16, 5065658), (23, 3523936), (26, 3117328), (32, 2532829), (43, 1884896), (46, 1761968), (52, 1558664), (86, 942448), (92, 880984), (104, 779332), (172, 471224), (184, 440492), (197, 411424), (208, 389666), (299, 271072), (344, 235612), (368, 220246), (394, 205712), (416, 194833), (559, 144992), (598, 135536), (688, 117806), (736, 110123), (788, 102856), (989, 81952), (1118, 72496), (1196, 67768), (1376, 58903), (1576, 51428), (1978, 40976), (2236, 36248), (2392, 33884), (2561, 31648), (3152, 25714), (3956, 20488), (4472, 18124), (4531, 17888), (4784, 16942), (5122, 15824), (6304, 12857), (7912, 10244), (8471, 9568), (8944, 9062)]