221321672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193463}}^1$

素因数の和:193493

約数の個数: 32

約数和(自身を含む): 487529280

約数和(自身を除く): 266207608

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 193463, 386926, 773852, 1547704, 2128093, 2515019, 4256186, 5030038, 8512372, 10060076, 17024744, 20120152, 27665209, 55330418, 110660836, 221321672]

約数ペア:

[(1, 221321672), (2, 110660836), (4, 55330418), (8, 27665209), (11, 20120152), (13, 17024744), (22, 10060076), (26, 8512372), (44, 5030038), (52, 4256186), (88, 2515019), (104, 2128093), (143, 1547704), (286, 773852), (572, 386926), (1144, 193463)]