389968592

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 846945792

約数和(自身を除く): 456977200

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 197, 208, 248, 307, 394, 403, 496, 614, 788, 806, 1228, 1576, 1612, 2456, 2561, 3152, 3224, 3991, 4912, 5122, 6107, 6448, 7982, 9517, 10244, 12214, 15964, 19034, 20488, 24428, 31928, 38068, 40976, 48856, 60479, 63856, 76136, 79391, 97712, 120958, 123721, 152272, 158782, 241916, 247442, 317564, 483832, 494884, 635128, 786227, 967664, 989768, 1270256, 1572454, 1874849, 1979536, 3144908, 3749698, 6289816, 7499396, 12579632, 14998792, 24373037, 29997584, 48746074, 97492148, 194984296, 389968592]

約数ペア:

[(1, 389968592), (2, 194984296), (4, 97492148), (8, 48746074), (13, 29997584), (16, 24373037), (26, 14998792), (31, 12579632), (52, 7499396), (62, 6289816), (104, 3749698), (124, 3144908), (197, 1979536), (208, 1874849), (248, 1572454), (307, 1270256), (394, 989768), (403, 967664), (496, 786227), (614, 635128), (788, 494884), (806, 483832), (1228, 317564), (1576, 247442), (1612, 241916), (2456, 158782), (2561, 152272), (3152, 123721), (3224, 120958), (3991, 97712), (4912, 79391), (5122, 76136), (6107, 63856), (6448, 60479), (7982, 48856), (9517, 40976), (10244, 38068), (12214, 31928), (15964, 24428), (19034, 20488)]