31291788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 84268800

約数和(自身を除く): 52977012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 43, 44, 66, 74, 86, 111, 129, 132, 148, 149, 172, 222, 258, 298, 407, 444, 447, 473, 516, 596, 814, 894, 946, 1221, 1419, 1591, 1628, 1639, 1788, 1892, 2442, 2838, 3182, 3278, 4773, 4884, 4917, 5513, 5676, 6364, 6407, 6556, 9546, 9834, 11026, 12814, 16539, 17501, 19092, 19221, 19668, 22052, 25628, 33078, 35002, 38442, 52503, 60643, 66156, 70004, 70477, 76884, 105006, 121286, 140954, 181929, 210012, 211431, 237059, 242572, 281908, 363858, 422862, 474118, 711177, 727716, 845724, 948236, 1422354, 2607649, 2844708, 5215298, 7822947, 10430596, 15645894, 31291788]

約数ペア:

[(1, 31291788), (2, 15645894), (3, 10430596), (4, 7822947), (6, 5215298), (11, 2844708), (12, 2607649), (22, 1422354), (33, 948236), (37, 845724), (43, 727716), (44, 711177), (66, 474118), (74, 422862), (86, 363858), (111, 281908), (129, 242572), (132, 237059), (148, 211431), (149, 210012), (172, 181929), (222, 140954), (258, 121286), (298, 105006), (407, 76884), (444, 70477), (447, 70004), (473, 66156), (516, 60643), (596, 52503), (814, 38442), (894, 35002), (946, 33078), (1221, 25628), (1419, 22052), (1591, 19668), (1628, 19221), (1639, 19092), (1788, 17501), (1892, 16539), (2442, 12814), (2838, 11026), (3182, 9834), (3278, 9546), (4773, 6556), (4884, 6407), (4917, 6364), (5513, 5676)]