209211010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{4903}}^1$

素因数の和:5178

約数の個数: 32

約数和(自身を含む): 400401792

約数和(自身を除く): 191190782

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 502, 1255, 2510, 4267, 4903, 8534, 9806, 21335, 24515, 42670, 49030, 83351, 166702, 416755, 833510, 1230653, 2461306, 6153265, 12306530, 20921101, 41842202, 104605505, 209211010]

約数ペア:

[(1, 209211010), (2, 104605505), (5, 41842202), (10, 20921101), (17, 12306530), (34, 6153265), (85, 2461306), (170, 1230653), (251, 833510), (502, 416755), (1255, 166702), (2510, 83351), (4267, 49030), (4903, 42670), (8534, 24515), (9806, 21335)]