1999897672

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{1559}}^1\times {\mathrm{3911}}^1$

素因数の和:5517

約数の個数: 32

約数和(自身を含む): 3844713600

約数和(自身を除く): 1844815928

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 1559, 3118, 3911, 6236, 7822, 12472, 15644, 31288, 63919, 127838, 160351, 255676, 320702, 511352, 641404, 1282808, 6097249, 12194498, 24388996, 48777992, 249987209, 499974418, 999948836, 1999897672]

約数ペア:

[(1, 1999897672), (2, 999948836), (4, 499974418), (8, 249987209), (41, 48777992), (82, 24388996), (164, 12194498), (328, 6097249), (1559, 1282808), (3118, 641404), (3911, 511352), (6236, 320702), (7822, 255676), (12472, 160351), (15644, 127838), (31288, 63919)]