389547718

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{2447}}^1$

素因数の和:2676

約数の個数: 32

約数和(自身を含む): 681053184

約数和(自身を除く): 291505466

約数列:

[1, 2, 7, 14, 83, 137, 166, 274, 581, 959, 1162, 1918, 2447, 4894, 11371, 17129, 22742, 34258, 79597, 159194, 203101, 335239, 406202, 670478, 1421707, 2346673, 2843414, 4693346, 27824837, 55649674, 194773859, 389547718]

約数ペア:

[(1, 389547718), (2, 194773859), (7, 55649674), (14, 27824837), (83, 4693346), (137, 2843414), (166, 2346673), (274, 1421707), (581, 670478), (959, 406202), (1162, 335239), (1918, 203101), (2447, 159194), (4894, 79597), (11371, 34258), (17129, 22742)]