289301388

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{153557}}^1$

素因数の和:153721

約数の個数: 24

約数和(自身を含む): 679340592

約数和(自身を除く): 390039204

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 153557, 307114, 460671, 614228, 921342, 1842684, 24108449, 48216898, 72325347, 96433796, 144650694, 289301388]

約数ペア:

[(1, 289301388), (2, 144650694), (3, 96433796), (4, 72325347), (6, 48216898), (12, 24108449), (157, 1842684), (314, 921342), (471, 614228), (628, 460671), (942, 307114), (1884, 153557)]