87971478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 206807040

約数和(自身を除く): 118835562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 118, 131, 177, 262, 271, 354, 393, 413, 542, 786, 813, 826, 917, 1239, 1626, 1834, 1897, 2478, 2751, 3794, 5502, 5691, 7729, 11382, 15458, 15989, 23187, 31978, 35501, 46374, 47967, 54103, 71002, 95934, 106503, 108206, 111923, 162309, 213006, 223846, 248507, 324618, 335769, 497014, 671538, 745521, 1491042, 2094559, 4189118, 6283677, 12567354, 14661913, 29323826, 43985739, 87971478]

約数ペア:

[(1, 87971478), (2, 43985739), (3, 29323826), (6, 14661913), (7, 12567354), (14, 6283677), (21, 4189118), (42, 2094559), (59, 1491042), (118, 745521), (131, 671538), (177, 497014), (262, 335769), (271, 324618), (354, 248507), (393, 223846), (413, 213006), (542, 162309), (786, 111923), (813, 108206), (826, 106503), (917, 95934), (1239, 71002), (1626, 54103), (1834, 47967), (1897, 46374), (2478, 35501), (2751, 31978), (3794, 23187), (5502, 15989), (5691, 15458), (7729, 11382)]