218623768

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{3181}}^1$

素因数の和:3280

約数の個数: 48

約数和(自身を含む): 457062480

約数和(自身を除く): 238438712

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 121, 142, 242, 284, 484, 568, 781, 968, 1562, 3124, 3181, 6248, 6362, 8591, 12724, 17182, 25448, 34364, 34991, 68728, 69982, 139964, 225851, 279928, 384901, 451702, 769802, 903404, 1539604, 1806808, 2484361, 3079208, 4968722, 9937444, 19874888, 27327971, 54655942, 109311884, 218623768]

約数ペア:

[(1, 218623768), (2, 109311884), (4, 54655942), (8, 27327971), (11, 19874888), (22, 9937444), (44, 4968722), (71, 3079208), (88, 2484361), (121, 1806808), (142, 1539604), (242, 903404), (284, 769802), (484, 451702), (568, 384901), (781, 279928), (968, 225851), (1562, 139964), (3124, 69982), (3181, 68728), (6248, 34991), (6362, 34364), (8591, 25448), (12724, 17182)]