397804796

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{4861}}^1$

素因数の和:5405

約数の個数: 24

約数和(自身を含む): 714714000

約数和(自身を除く): 316909204

約数列:

[1, 2, 4, 41, 82, 164, 499, 998, 1996, 4861, 9722, 19444, 20459, 40918, 81836, 199301, 398602, 797204, 2425639, 4851278, 9702556, 99451199, 198902398, 397804796]

約数ペア:

[(1, 397804796), (2, 198902398), (4, 99451199), (41, 9702556), (82, 4851278), (164, 2425639), (499, 797204), (998, 398602), (1996, 199301), (4861, 81836), (9722, 40918), (19444, 20459)]