638467584

素因数分解:

$2^9\times 3^1\times {\mathrm{415669}}^1$

素因数の和:415690

約数の個数: 40

約数和(自身を含む): 1700921640

約数和(自身を除く): 1062454056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 415669, 831338, 1247007, 1662676, 2494014, 3325352, 4988028, 6650704, 9976056, 13301408, 19952112, 26602816, 39904224, 53205632, 79808448, 106411264, 159616896, 212822528, 319233792, 638467584]

約数ペア:

[(1, 638467584), (2, 319233792), (3, 212822528), (4, 159616896), (6, 106411264), (8, 79808448), (12, 53205632), (16, 39904224), (24, 26602816), (32, 19952112), (48, 13301408), (64, 9976056), (96, 6650704), (128, 4988028), (192, 3325352), (256, 2494014), (384, 1662676), (512, 1247007), (768, 831338), (1536, 415669)]