25465286

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 51508224

約数和(自身を除く): 26042938

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 71, 77, 119, 137, 142, 154, 187, 238, 274, 374, 497, 781, 959, 994, 1207, 1309, 1507, 1562, 1918, 2329, 2414, 2618, 3014, 4658, 5467, 8449, 9727, 10549, 10934, 13277, 16303, 16898, 19454, 21098, 25619, 26554, 32606, 51238, 68089, 92939, 106997, 136178, 165359, 179333, 185878, 213994, 330718, 358666, 748979, 1157513, 1497958, 1818949, 2315026, 3637898, 12732643, 25465286]

約数ペア:

[(1, 25465286), (2, 12732643), (7, 3637898), (11, 2315026), (14, 1818949), (17, 1497958), (22, 1157513), (34, 748979), (71, 358666), (77, 330718), (119, 213994), (137, 185878), (142, 179333), (154, 165359), (187, 136178), (238, 106997), (274, 92939), (374, 68089), (497, 51238), (781, 32606), (959, 26554), (994, 25619), (1207, 21098), (1309, 19454), (1507, 16898), (1562, 16303), (1918, 13277), (2329, 10934), (2414, 10549), (2618, 9727), (3014, 8449), (4658, 5467)]