221666984

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{51407}}^1$

素因数の和:51438

約数の個数: 48

約数和(自身を含む): 527446080

約数和(自身を除く): 305779096

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 51407, 102814, 205628, 359849, 411256, 565477, 719698, 1130954, 1439396, 2261908, 2518943, 2878792, 3958339, 4523816, 5037886, 7916678, 10075772, 15833356, 20151544, 27708373, 31666712, 55416746, 110833492, 221666984]

約数ペア:

[(1, 221666984), (2, 110833492), (4, 55416746), (7, 31666712), (8, 27708373), (11, 20151544), (14, 15833356), (22, 10075772), (28, 7916678), (44, 5037886), (49, 4523816), (56, 3958339), (77, 2878792), (88, 2518943), (98, 2261908), (154, 1439396), (196, 1130954), (308, 719698), (392, 565477), (539, 411256), (616, 359849), (1078, 205628), (2156, 102814), (4312, 51407)]