289968404108

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{1423}}^1\times {\mathrm{388879}}^1$

素因数の和:390437

約数の個数: 24

約数和(自身を含む): 511678970880

約数和(自身を除く): 221710566772

約数列:

[1, 2, 4, 131, 262, 524, 1423, 2846, 5692, 186413, 372826, 388879, 745652, 777758, 1555516, 50943149, 101886298, 203772596, 553374817, 1106749634, 2213499268, 72492101027, 144984202054, 289968404108]

約数ペア:

[(1, 289968404108), (2, 144984202054), (4, 72492101027), (131, 2213499268), (262, 1106749634), (524, 553374817), (1423, 203772596), (2846, 101886298), (5692, 50943149), (186413, 1555516), (372826, 777758), (388879, 745652)]