257711784

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{587}}^1\times {\mathrm{1663}}^1$

素因数の和:2270

約数の個数: 64

約数和(自身を含む): 704471040

約数和(自身を除く): 446759256

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 587, 1174, 1663, 1761, 2348, 3326, 3522, 4696, 4989, 6457, 6652, 7044, 9978, 12914, 13304, 14088, 18293, 19371, 19956, 25828, 36586, 38742, 39912, 51656, 54879, 73172, 77484, 109758, 146344, 154968, 219516, 439032, 976181, 1952362, 2928543, 3904724, 5857086, 7809448, 10737991, 11714172, 21475982, 23428344, 32213973, 42951964, 64427946, 85903928, 128855892, 257711784]

約数ペア:

[(1, 257711784), (2, 128855892), (3, 85903928), (4, 64427946), (6, 42951964), (8, 32213973), (11, 23428344), (12, 21475982), (22, 11714172), (24, 10737991), (33, 7809448), (44, 5857086), (66, 3904724), (88, 2928543), (132, 1952362), (264, 976181), (587, 439032), (1174, 219516), (1663, 154968), (1761, 146344), (2348, 109758), (3326, 77484), (3522, 73172), (4696, 54879), (4989, 51656), (6457, 39912), (6652, 38742), (7044, 36586), (9978, 25828), (12914, 19956), (13304, 19371), (14088, 18293)]