221869648

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2025

約数の個数: 120

約数和(自身を含む): 587774880

約数和(自身を除く): 365905232

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 176, 182, 196, 208, 286, 308, 364, 392, 539, 572, 616, 637, 728, 784, 1001, 1078, 1144, 1232, 1274, 1456, 1979, 2002, 2156, 2288, 2548, 3958, 4004, 4312, 5096, 7007, 7916, 8008, 8624, 10192, 13853, 14014, 15832, 16016, 21769, 25727, 27706, 28028, 31664, 43538, 51454, 55412, 56056, 87076, 96971, 102908, 110824, 112112, 152383, 174152, 180089, 193942, 205816, 221648, 282997, 304766, 348304, 360178, 387884, 411632, 565994, 609532, 720356, 775768, 1066681, 1131988, 1219064, 1260623, 1440712, 1551536, 1980979, 2133362, 2263976, 2438128, 2521246, 2881424, 3961958, 4266724, 4527952, 5042492, 7923916, 8533448, 10084984, 13866853, 15847832, 17066896, 20169968, 27733706, 31695664, 55467412, 110934824, 221869648]

約数ペア:

[(1, 221869648), (2, 110934824), (4, 55467412), (7, 31695664), (8, 27733706), (11, 20169968), (13, 17066896), (14, 15847832), (16, 13866853), (22, 10084984), (26, 8533448), (28, 7923916), (44, 5042492), (49, 4527952), (52, 4266724), (56, 3961958), (77, 2881424), (88, 2521246), (91, 2438128), (98, 2263976), (104, 2133362), (112, 1980979), (143, 1551536), (154, 1440712), (176, 1260623), (182, 1219064), (196, 1131988), (208, 1066681), (286, 775768), (308, 720356), (364, 609532), (392, 565994), (539, 411632), (572, 387884), (616, 360178), (637, 348304), (728, 304766), (784, 282997), (1001, 221648), (1078, 205816), (1144, 193942), (1232, 180089), (1274, 174152), (1456, 152383), (1979, 112112), (2002, 110824), (2156, 102908), (2288, 96971), (2548, 87076), (3958, 56056), (4004, 55412), (4312, 51454), (5096, 43538), (7007, 31664), (7916, 28028), (8008, 27706), (8624, 25727), (10192, 21769), (13853, 16016), (14014, 15832)]