1998997.00000000

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:302

約数の個数: 36

約数和(自身を含む): 87860640

約数和(自身を除く): 40183508

約数列:

[1, 2, 4, 31, 62, 79, 124, 157, 158, 314, 316, 628, 961, 1922, 2449, 3844, 4867, 4898, 9734, 9796, 12403, 19468, 24806, 49612, 75919, 150877, 151838, 301754, 303676, 384493, 603508, 768986, 1537972, 11919283, 23838566, 47677132]

約数ペア:

[(1, 47677132), (2, 23838566), (4, 11919283), (31, 1537972), (62, 768986), (79, 603508), (124, 384493), (157, 303676), (158, 301754), (314, 151838), (316, 150877), (628, 75919), (961, 49612), (1922, 24806), (2449, 19468), (3844, 12403), (4867, 9796), (4898, 9734)]