28078236473

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1031}}^1\times {\mathrm{1747}}^1$

素因数の和:2933

約数の個数: 32

約数和(自身を含む): 34289215488

約数和(自身を除く): 6210979015

約数列:

[1, 7, 17, 119, 131, 917, 1031, 1747, 2227, 7217, 12229, 15589, 17527, 29699, 122689, 135061, 207893, 228857, 945427, 1601999, 1801157, 2296037, 3890569, 12608099, 16072259, 27233983, 30619669, 214337683, 235951567, 1651660969, 4011176639, 28078236473]

約数ペア:

[(1, 28078236473), (7, 4011176639), (17, 1651660969), (119, 235951567), (131, 214337683), (917, 30619669), (1031, 27233983), (1747, 16072259), (2227, 12608099), (7217, 3890569), (12229, 2296037), (15589, 1801157), (17527, 1601999), (29699, 945427), (122689, 228857), (135061, 207893)]