688569516

素因数分解:

$2^2\times 3^2\times {\mathrm{191}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:859

約数の個数: 72

約数和(自身を含む): 1761177600

約数和(自身を除く): 1072608084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 191, 239, 382, 419, 478, 573, 717, 764, 838, 956, 1146, 1257, 1434, 1676, 1719, 2151, 2292, 2514, 2868, 3438, 3771, 4302, 5028, 6876, 7542, 8604, 15084, 45649, 80029, 91298, 100141, 136947, 160058, 182596, 200282, 240087, 273894, 300423, 320116, 400564, 410841, 480174, 547788, 600846, 720261, 821682, 901269, 960348, 1201692, 1440522, 1643364, 1802538, 2881044, 3605076, 19126931, 38253862, 57380793, 76507724, 114761586, 172142379, 229523172, 344284758, 688569516]

約数ペア:

[(1, 688569516), (2, 344284758), (3, 229523172), (4, 172142379), (6, 114761586), (9, 76507724), (12, 57380793), (18, 38253862), (36, 19126931), (191, 3605076), (239, 2881044), (382, 1802538), (419, 1643364), (478, 1440522), (573, 1201692), (717, 960348), (764, 901269), (838, 821682), (956, 720261), (1146, 600846), (1257, 547788), (1434, 480174), (1676, 410841), (1719, 400564), (2151, 320116), (2292, 300423), (2514, 273894), (2868, 240087), (3438, 200282), (3771, 182596), (4302, 160058), (5028, 136947), (6876, 100141), (7542, 91298), (8604, 80029), (15084, 45649)]