213319216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 469041408

約数和(自身を除く): 255722192

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 71, 86, 88, 142, 172, 176, 284, 344, 397, 473, 568, 688, 781, 794, 946, 1136, 1562, 1588, 1892, 3053, 3124, 3176, 3784, 4367, 6106, 6248, 6352, 7568, 8734, 12212, 12496, 17071, 17468, 24424, 28187, 33583, 34142, 34936, 48848, 56374, 67166, 68284, 69872, 112748, 134332, 136568, 187781, 225496, 268664, 273136, 310057, 375562, 450992, 537328, 620114, 751124, 1212041, 1240228, 1502248, 2424082, 2480456, 3004496, 4848164, 4960912, 9696328, 13332451, 19392656, 26664902, 53329804, 106659608, 213319216]

約数ペア:

[(1, 213319216), (2, 106659608), (4, 53329804), (8, 26664902), (11, 19392656), (16, 13332451), (22, 9696328), (43, 4960912), (44, 4848164), (71, 3004496), (86, 2480456), (88, 2424082), (142, 1502248), (172, 1240228), (176, 1212041), (284, 751124), (344, 620114), (397, 537328), (473, 450992), (568, 375562), (688, 310057), (781, 273136), (794, 268664), (946, 225496), (1136, 187781), (1562, 136568), (1588, 134332), (1892, 112748), (3053, 69872), (3124, 68284), (3176, 67166), (3784, 56374), (4367, 48848), (6106, 34936), (6248, 34142), (6352, 33583), (7568, 28187), (8734, 24424), (12212, 17468), (12496, 17071)]