31081776

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 92119104

約数和(自身を除く): 61037328

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 37, 43, 44, 48, 66, 74, 86, 88, 111, 129, 132, 148, 172, 176, 222, 258, 264, 296, 344, 407, 444, 473, 516, 528, 592, 688, 814, 888, 946, 1032, 1221, 1369, 1419, 1591, 1628, 1776, 1892, 2064, 2442, 2738, 2838, 3182, 3256, 3784, 4107, 4773, 4884, 5476, 5676, 6364, 6512, 7568, 8214, 9546, 9768, 10952, 11352, 12728, 15059, 16428, 17501, 19092, 19536, 21904, 22704, 25456, 30118, 32856, 35002, 38184, 45177, 52503, 58867, 60236, 65712, 70004, 76368, 90354, 105006, 117734, 120472, 140008, 176601, 180708, 210012, 235468, 240944, 280016, 353202, 361416, 420024, 470936, 647537, 706404, 722832, 840048, 941872, 1295074, 1412808, 1942611, 2590148, 2825616, 3885222, 5180296, 7770444, 10360592, 15540888, 31081776]

約数ペア:

[(1, 31081776), (2, 15540888), (3, 10360592), (4, 7770444), (6, 5180296), (8, 3885222), (11, 2825616), (12, 2590148), (16, 1942611), (22, 1412808), (24, 1295074), (33, 941872), (37, 840048), (43, 722832), (44, 706404), (48, 647537), (66, 470936), (74, 420024), (86, 361416), (88, 353202), (111, 280016), (129, 240944), (132, 235468), (148, 210012), (172, 180708), (176, 176601), (222, 140008), (258, 120472), (264, 117734), (296, 105006), (344, 90354), (407, 76368), (444, 70004), (473, 65712), (516, 60236), (528, 58867), (592, 52503), (688, 45177), (814, 38184), (888, 35002), (946, 32856), (1032, 30118), (1221, 25456), (1369, 22704), (1419, 21904), (1591, 19536), (1628, 19092), (1776, 17501), (1892, 16428), (2064, 15059), (2442, 12728), (2738, 11352), (2838, 10952), (3182, 9768), (3256, 9546), (3784, 8214), (4107, 7568), (4773, 6512), (4884, 6364), (5476, 5676)]