2891116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 5390000

約数和(自身を除く): 2498884

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 349, 436, 698, 1396, 2071, 4142, 6631, 8284, 13262, 26524, 38041, 76082, 152164, 722779, 1445558, 2891116]

約数ペア:

[(1, 2891116), (2, 1445558), (4, 722779), (19, 152164), (38, 76082), (76, 38041), (109, 26524), (218, 13262), (349, 8284), (436, 6631), (698, 4142), (1396, 2071)]