87191988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1279}}^1$

素因数の和:1341

約数の個数: 96

約数和(自身を含む): 240844800

約数和(自身を除く): 153652812

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 23, 26, 38, 39, 46, 52, 57, 69, 76, 78, 92, 114, 138, 156, 228, 247, 276, 299, 437, 494, 598, 741, 874, 897, 988, 1196, 1279, 1311, 1482, 1748, 1794, 2558, 2622, 2964, 3588, 3837, 5116, 5244, 5681, 7674, 11362, 15348, 16627, 17043, 22724, 24301, 29417, 33254, 34086, 48602, 49881, 58834, 66508, 68172, 72903, 88251, 97204, 99762, 117668, 145806, 176502, 199524, 291612, 315913, 353004, 382421, 558923, 631826, 764842, 947739, 1117846, 1147263, 1263652, 1529684, 1676769, 1895478, 2235692, 2294526, 3353538, 3790956, 4589052, 6707076, 7265999, 14531998, 21797997, 29063996, 43595994, 87191988]

約数ペア:

[(1, 87191988), (2, 43595994), (3, 29063996), (4, 21797997), (6, 14531998), (12, 7265999), (13, 6707076), (19, 4589052), (23, 3790956), (26, 3353538), (38, 2294526), (39, 2235692), (46, 1895478), (52, 1676769), (57, 1529684), (69, 1263652), (76, 1147263), (78, 1117846), (92, 947739), (114, 764842), (138, 631826), (156, 558923), (228, 382421), (247, 353004), (276, 315913), (299, 291612), (437, 199524), (494, 176502), (598, 145806), (741, 117668), (874, 99762), (897, 97204), (988, 88251), (1196, 72903), (1279, 68172), (1311, 66508), (1482, 58834), (1748, 49881), (1794, 48602), (2558, 34086), (2622, 33254), (2964, 29417), (3588, 24301), (3837, 22724), (5116, 17043), (5244, 16627), (5681, 15348), (7674, 11362)]