1621904

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{607}}^1$

素因数の和:782

約数の個数: 20

約数和(自身を含む): 3166464

約数和(自身を除く): 1544560

約数列:

[1, 2, 4, 8, 16, 167, 334, 607, 668, 1214, 1336, 2428, 2672, 4856, 9712, 101369, 202738, 405476, 810952, 1621904]

約数ペア:

[(1, 1621904), (2, 810952), (4, 405476), (8, 202738), (16, 101369), (167, 9712), (334, 4856), (607, 2672), (668, 2428), (1214, 1336)]