207721448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{23371}}^1$

素因数の和:23489

約数の個数: 32

約数和(自身を含む): 429109920

約数和(自身を除く): 221388472

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 4444, 8888, 23371, 46742, 93484, 186968, 257081, 514162, 1028324, 2056648, 2360471, 4720942, 9441884, 18883768, 25965181, 51930362, 103860724, 207721448]

約数ペア:

[(1, 207721448), (2, 103860724), (4, 51930362), (8, 25965181), (11, 18883768), (22, 9441884), (44, 4720942), (88, 2360471), (101, 2056648), (202, 1028324), (404, 514162), (808, 257081), (1111, 186968), (2222, 93484), (4444, 46742), (8888, 23371)]