28749470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{449}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 54756000

約数和(自身を除く): 26006530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 337, 449, 674, 898, 1685, 2245, 3370, 4490, 6403, 8531, 12806, 17062, 32015, 42655, 64030, 85310, 151313, 302626, 756565, 1513130, 2874947, 5749894, 14374735, 28749470]

約数ペア:

[(1, 28749470), (2, 14374735), (5, 5749894), (10, 2874947), (19, 1513130), (38, 756565), (95, 302626), (190, 151313), (337, 85310), (449, 64030), (674, 42655), (898, 32015), (1685, 17062), (2245, 12806), (3370, 8531), (4490, 6403)]