640896

素因数分解:

$2^7\times 3^1\times {\mathrm{1669}}^1$

素因数の和:1686

約数の個数: 32

約数和(自身を含む): 1703400

約数和(自身を除く): 1062504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 1669, 3338, 5007, 6676, 10014, 13352, 20028, 26704, 40056, 53408, 80112, 106816, 160224, 213632, 320448, 640896]

約数ペア:

[(1, 640896), (2, 320448), (3, 213632), (4, 160224), (6, 106816), (8, 80112), (12, 53408), (16, 40056), (24, 26704), (32, 20028), (48, 13352), (64, 10014), (96, 6676), (128, 5007), (192, 3338), (384, 1669)]