720891346

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{12941}}^1$

素因数の和:13146

約数の個数: 32

約数和(自身を含む): 1297099008

約数和(自身を除く): 576207662

約数列:

[1, 2, 7, 14, 23, 46, 161, 173, 322, 346, 1211, 2422, 3979, 7958, 12941, 25882, 27853, 55706, 90587, 181174, 297643, 595286, 2083501, 2238793, 4167002, 4477586, 15671551, 31343102, 51492239, 102984478, 360445673, 720891346]

約数ペア:

[(1, 720891346), (2, 360445673), (7, 102984478), (14, 51492239), (23, 31343102), (46, 15671551), (161, 4477586), (173, 4167002), (322, 2238793), (346, 2083501), (1211, 595286), (2422, 297643), (3979, 181174), (7958, 90587), (12941, 55706), (25882, 27853)]