291278555

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 376911360

約数和(自身を除く): 85632805

約数列:

[1, 5, 23, 41, 115, 163, 205, 379, 815, 943, 1895, 3749, 4715, 6683, 8717, 15539, 18745, 33415, 43585, 61777, 77695, 153709, 308885, 357397, 768545, 1420871, 1786985, 2532857, 7104355, 12664285, 58255711, 291278555]

約数ペア:

[(1, 291278555), (5, 58255711), (23, 12664285), (41, 7104355), (115, 2532857), (163, 1786985), (205, 1420871), (379, 768545), (815, 357397), (943, 308885), (1895, 153709), (3749, 77695), (4715, 61777), (6683, 43585), (8717, 33415), (15539, 18745)]