1388971906

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1\times {\mathrm{3889}}^1$

素因数の和:4258

約数の個数: 32

約数和(自身を含む): 2415409920

約数和(自身を除く): 1026438014

約数列:

[1, 2, 7, 14, 97, 194, 263, 526, 679, 1358, 1841, 3682, 3889, 7778, 25511, 27223, 51022, 54446, 178577, 357154, 377233, 754466, 1022807, 2045614, 2640631, 5281262, 7159649, 14319298, 99212279, 198424558, 694485953, 1388971906]

約数ペア:

[(1, 1388971906), (2, 694485953), (7, 198424558), (14, 99212279), (97, 14319298), (194, 7159649), (263, 5281262), (526, 2640631), (679, 2045614), (1358, 1022807), (1841, 754466), (3682, 377233), (3889, 357154), (7778, 178577), (25511, 54446), (27223, 51022)]