31331586

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{53}}^2$

素因数の和:148

約数の個数: 72

約数和(自身を含む): 75445776

約数和(自身を除く): 44114190

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 53, 66, 78, 106, 143, 159, 169, 286, 318, 338, 429, 507, 583, 689, 858, 1014, 1166, 1378, 1749, 1859, 2067, 2809, 3498, 3718, 4134, 5577, 5618, 7579, 8427, 8957, 11154, 15158, 16854, 17914, 22737, 26871, 30899, 36517, 45474, 53742, 61798, 73034, 92697, 98527, 109551, 185394, 197054, 219102, 295581, 401687, 474721, 591162, 803374, 949442, 1205061, 1424163, 2410122, 2848326, 5221931, 10443862, 15665793, 31331586]

約数ペア:

[(1, 31331586), (2, 15665793), (3, 10443862), (6, 5221931), (11, 2848326), (13, 2410122), (22, 1424163), (26, 1205061), (33, 949442), (39, 803374), (53, 591162), (66, 474721), (78, 401687), (106, 295581), (143, 219102), (159, 197054), (169, 185394), (286, 109551), (318, 98527), (338, 92697), (429, 73034), (507, 61798), (583, 53742), (689, 45474), (858, 36517), (1014, 30899), (1166, 26871), (1378, 22737), (1749, 17914), (1859, 16854), (2067, 15158), (2809, 11154), (3498, 8957), (3718, 8427), (4134, 7579), (5577, 5618)]