399608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 864000

約数和(自身を除く): 464392

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 239, 418, 478, 836, 956, 1672, 1912, 2629, 4541, 5258, 9082, 10516, 18164, 21032, 36328, 49951, 99902, 199804, 399608]

約数ペア:

[(1, 399608), (2, 199804), (4, 99902), (8, 49951), (11, 36328), (19, 21032), (22, 18164), (38, 10516), (44, 9082), (76, 5258), (88, 4541), (152, 2629), (209, 1912), (239, 1672), (418, 956), (478, 836)]