28127748

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 71910720

約数和(自身を除く): 43782972

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 409, 521, 818, 1042, 1227, 1563, 1636, 2084, 2454, 3126, 4499, 4908, 5731, 6252, 8998, 11462, 13497, 17193, 17996, 22924, 26994, 34386, 53988, 68772, 213089, 426178, 639267, 852356, 1278534, 2343979, 2557068, 4687958, 7031937, 9375916, 14063874, 28127748]

約数ペア:

[(1, 28127748), (2, 14063874), (3, 9375916), (4, 7031937), (6, 4687958), (11, 2557068), (12, 2343979), (22, 1278534), (33, 852356), (44, 639267), (66, 426178), (132, 213089), (409, 68772), (521, 53988), (818, 34386), (1042, 26994), (1227, 22924), (1563, 17996), (1636, 17193), (2084, 13497), (2454, 11462), (3126, 8998), (4499, 6252), (4908, 5731)]