155686916

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{72211}}^1$

素因数の和:72240

約数の個数: 36

約数和(自身を含む): 345751056

約数和(自身を除く): 190064140

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 72211, 144422, 288844, 505477, 794321, 1010954, 1588642, 2021908, 3177284, 3538339, 5560247, 7076678, 11120494, 14153356, 22240988, 38921729, 77843458, 155686916]

約数ペア:

[(1, 155686916), (2, 77843458), (4, 38921729), (7, 22240988), (11, 14153356), (14, 11120494), (22, 7076678), (28, 5560247), (44, 3538339), (49, 3177284), (77, 2021908), (98, 1588642), (154, 1010954), (196, 794321), (308, 505477), (539, 288844), (1078, 144422), (2156, 72211)]