419877904

素因数分解:

$2^4\times {\mathrm{1621}}^1\times {\mathrm{16189}}^1$

素因数の和:17818

約数の個数: 20

約数和(自身を含む): 814065580

約数和(自身を除く): 394187676

約数列:

[1, 2, 4, 8, 16, 1621, 3242, 6484, 12968, 16189, 25936, 32378, 64756, 129512, 259024, 26242369, 52484738, 104969476, 209938952, 419877904]

約数ペア:

[(1, 419877904), (2, 209938952), (4, 104969476), (8, 52484738), (16, 26242369), (1621, 259024), (3242, 129512), (6484, 64756), (12968, 32378), (16189, 25936)]