630291272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{9281}}^1$

素因数の和:9953

約数の個数: 32

約数和(自身を含む): 1274789880

約数和(自身を除く): 644498608

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 653, 1306, 2612, 5224, 8489, 9281, 16978, 18562, 33956, 37124, 67912, 74248, 120653, 241306, 482612, 965224, 6060493, 12120986, 24241972, 48483944, 78786409, 157572818, 315145636, 630291272]

約数ペア:

[(1, 630291272), (2, 315145636), (4, 157572818), (8, 78786409), (13, 48483944), (26, 24241972), (52, 12120986), (104, 6060493), (653, 965224), (1306, 482612), (2612, 241306), (5224, 120653), (8489, 74248), (9281, 67912), (16978, 37124), (18562, 33956)]