28174288

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1403

約数の個数: 40

約数和(自身を含む): 57702656

約数和(自身を除く): 29528368

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1321, 1333, 2642, 2666, 5284, 5332, 10568, 10664, 21136, 21328, 40951, 56803, 81902, 113606, 163804, 227212, 327608, 454424, 655216, 908848, 1760893, 3521786, 7043572, 14087144, 28174288]

約数ペア:

[(1, 28174288), (2, 14087144), (4, 7043572), (8, 3521786), (16, 1760893), (31, 908848), (43, 655216), (62, 454424), (86, 327608), (124, 227212), (172, 163804), (248, 113606), (344, 81902), (496, 56803), (688, 40951), (1321, 21328), (1333, 21136), (2642, 10664), (2666, 10568), (5284, 5332)]