215577868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 421037568

約数和(自身を除く): 205459700

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 151, 284, 302, 457, 604, 781, 914, 1562, 1661, 1828, 3124, 3322, 5027, 6644, 10054, 10721, 20108, 21442, 32447, 42884, 64894, 69007, 117931, 129788, 138014, 235862, 276028, 356917, 471724, 713834, 759077, 1427668, 1518154, 3036308, 4899497, 9798994, 19597988, 53894467, 107788934, 215577868]

約数ペア:

[(1, 215577868), (2, 107788934), (4, 53894467), (11, 19597988), (22, 9798994), (44, 4899497), (71, 3036308), (142, 1518154), (151, 1427668), (284, 759077), (302, 713834), (457, 471724), (604, 356917), (781, 276028), (914, 235862), (1562, 138014), (1661, 129788), (1828, 117931), (3124, 69007), (3322, 64894), (5027, 42884), (6644, 32447), (10054, 21442), (10721, 20108)]