81479892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{22709}}^1$

素因数の和:22752

約数の個数: 48

約数和(自身を含む): 213655680

約数和(自身を除く): 132175788

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 22709, 45418, 68127, 90836, 136254, 272508, 295217, 522307, 590434, 885651, 1044614, 1180868, 1566921, 1771302, 2089228, 3133842, 3542604, 6267684, 6789991, 13579982, 20369973, 27159964, 40739946, 81479892]

約数ペア:

[(1, 81479892), (2, 40739946), (3, 27159964), (4, 20369973), (6, 13579982), (12, 6789991), (13, 6267684), (23, 3542604), (26, 3133842), (39, 2089228), (46, 1771302), (52, 1566921), (69, 1180868), (78, 1044614), (92, 885651), (138, 590434), (156, 522307), (276, 295217), (299, 272508), (598, 136254), (897, 90836), (1196, 68127), (1794, 45418), (3588, 22709)]