399668736

素因数分解:

$2^9\times 3^1\times {\mathrm{260201}}^1$

素因数の和:260222

約数の個数: 40

約数和(自身を含む): 1064746584

約数和(自身を除く): 665077848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 260201, 520402, 780603, 1040804, 1561206, 2081608, 3122412, 4163216, 6244824, 8326432, 12489648, 16652864, 24979296, 33305728, 49958592, 66611456, 99917184, 133222912, 199834368, 399668736]

約数ペア:

[(1, 399668736), (2, 199834368), (3, 133222912), (4, 99917184), (6, 66611456), (8, 49958592), (12, 33305728), (16, 24979296), (24, 16652864), (32, 12489648), (48, 8326432), (64, 6244824), (96, 4163216), (128, 3122412), (192, 2081608), (256, 1561206), (384, 1040804), (512, 780603), (768, 520402), (1536, 260201)]