90720208

素因数分解:

$2^4\times {\mathrm{41}}^2\times {\mathrm{3373}}^1$

素因数の和:3463

約数の個数: 30

約数和(自身を含む): 180215462

約数和(自身を除く): 89495254

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1681, 3362, 3373, 6724, 6746, 13448, 13492, 26896, 26984, 53968, 138293, 276586, 553172, 1106344, 2212688, 5670013, 11340026, 22680052, 45360104, 90720208]

約数ペア:

[(1, 90720208), (2, 45360104), (4, 22680052), (8, 11340026), (16, 5670013), (41, 2212688), (82, 1106344), (164, 553172), (328, 276586), (656, 138293), (1681, 53968), (3362, 26984), (3373, 26896), (6724, 13492), (6746, 13448)]