28471212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10271}}^1$

素因数の和:10299

約数の個数: 72

約数和(自身を含む): 89736192

約数和(自身を除く): 61264980

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 10271, 20542, 30813, 41084, 61626, 71897, 92439, 112981, 123252, 143794, 184878, 215691, 225962, 287588, 338943, 369756, 431382, 451924, 647073, 677886, 790867, 862764, 1016829, 1294146, 1355772, 1581734, 2033658, 2372601, 2588292, 3163468, 4067316, 4745202, 7117803, 9490404, 14235606, 28471212]

約数ペア:

[(1, 28471212), (2, 14235606), (3, 9490404), (4, 7117803), (6, 4745202), (7, 4067316), (9, 3163468), (11, 2588292), (12, 2372601), (14, 2033658), (18, 1581734), (21, 1355772), (22, 1294146), (28, 1016829), (33, 862764), (36, 790867), (42, 677886), (44, 647073), (63, 451924), (66, 431382), (77, 369756), (84, 338943), (99, 287588), (126, 225962), (132, 215691), (154, 184878), (198, 143794), (231, 123252), (252, 112981), (308, 92439), (396, 71897), (462, 61626), (693, 41084), (924, 30813), (1386, 20542), (2772, 10271)]