389912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 803520

約数和(自身を除く): 413608

約数列:

[1, 2, 4, 8, 17, 34, 47, 61, 68, 94, 122, 136, 188, 244, 376, 488, 799, 1037, 1598, 2074, 2867, 3196, 4148, 5734, 6392, 8296, 11468, 22936, 48739, 97478, 194956, 389912]

約数ペア:

[(1, 389912), (2, 194956), (4, 97478), (8, 48739), (17, 22936), (34, 11468), (47, 8296), (61, 6392), (68, 5734), (94, 4148), (122, 3196), (136, 2867), (188, 2074), (244, 1598), (376, 1037), (488, 799)]