28671258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 72069120

約数和(自身を除く): 43397862

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 229, 231, 271, 458, 462, 542, 687, 813, 1374, 1603, 1626, 1897, 2519, 2981, 3206, 3794, 4809, 5038, 5691, 5962, 7557, 8943, 9618, 11382, 15114, 17633, 17886, 20867, 35266, 41734, 52899, 62059, 62601, 105798, 124118, 125202, 186177, 372354, 434413, 682649, 868826, 1303239, 1365298, 2047947, 2606478, 4095894, 4778543, 9557086, 14335629, 28671258]

約数ペア:

[(1, 28671258), (2, 14335629), (3, 9557086), (6, 4778543), (7, 4095894), (11, 2606478), (14, 2047947), (21, 1365298), (22, 1303239), (33, 868826), (42, 682649), (66, 434413), (77, 372354), (154, 186177), (229, 125202), (231, 124118), (271, 105798), (458, 62601), (462, 62059), (542, 52899), (687, 41734), (813, 35266), (1374, 20867), (1603, 17886), (1626, 17633), (1897, 15114), (2519, 11382), (2981, 9618), (3206, 8943), (3794, 7557), (4809, 5962), (5038, 5691)]