217071778

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{19309}}^1$

素因数の和:19402

約数の個数: 32

約数和(自身を含む): 411534720

約数和(自身を除く): 194462942

約数列:

[1, 2, 7, 11, 14, 22, 73, 77, 146, 154, 511, 803, 1022, 1606, 5621, 11242, 19309, 38618, 135163, 212399, 270326, 424798, 1409557, 1486793, 2819114, 2973586, 9866899, 15505127, 19733798, 31010254, 108535889, 217071778]

約数ペア:

[(1, 217071778), (2, 108535889), (7, 31010254), (11, 19733798), (14, 15505127), (22, 9866899), (73, 2973586), (77, 2819114), (146, 1486793), (154, 1409557), (511, 424798), (803, 270326), (1022, 212399), (1606, 135163), (5621, 38618), (11242, 19309)]