257623888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{27337}}^1$

素因数の和:27395

約数の個数: 40

約数和(自身を含む): 542385920

約数和(自身を除く): 284762032

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 27337, 54674, 109348, 218696, 437392, 519403, 847447, 1038806, 1694894, 2077612, 3389788, 4155224, 6779576, 8310448, 13559152, 16101493, 32202986, 64405972, 128811944, 257623888]

約数ペア:

[(1, 257623888), (2, 128811944), (4, 64405972), (8, 32202986), (16, 16101493), (19, 13559152), (31, 8310448), (38, 6779576), (62, 4155224), (76, 3389788), (124, 2077612), (152, 1694894), (248, 1038806), (304, 847447), (496, 519403), (589, 437392), (1178, 218696), (2356, 109348), (4712, 54674), (9424, 27337)]