131978782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1217}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 220584672

約数和(自身を除く): 88605890

約数列:

[1, 2, 13, 26, 43, 86, 97, 194, 559, 1118, 1217, 1261, 2434, 2522, 4171, 8342, 15821, 31642, 52331, 54223, 104662, 108446, 118049, 236098, 680303, 1360606, 1534637, 3069274, 5076107, 10152214, 65989391, 131978782]

約数ペア:

[(1, 131978782), (2, 65989391), (13, 10152214), (26, 5076107), (43, 3069274), (86, 1534637), (97, 1360606), (194, 680303), (559, 236098), (1118, 118049), (1217, 108446), (1261, 104662), (2434, 54223), (2522, 52331), (4171, 31642), (8342, 15821)]