180866917

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1399}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 238694400

約数和(自身を除く): 57827483

約数列:

[1, 7, 11, 23, 73, 77, 161, 253, 511, 803, 1399, 1679, 1771, 5621, 9793, 11753, 15389, 18469, 32177, 102127, 107723, 129283, 225239, 353947, 714889, 1123397, 2348921, 2477629, 7863779, 16442447, 25838131, 180866917]

約数ペア:

[(1, 180866917), (7, 25838131), (11, 16442447), (23, 7863779), (73, 2477629), (77, 2348921), (161, 1123397), (253, 714889), (511, 353947), (803, 225239), (1399, 129283), (1679, 107723), (1771, 102127), (5621, 32177), (9793, 18469), (11753, 15389)]