258889683

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{499}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 381024000

約数和(自身を除く): 122134317

約数列:

[1, 3, 13, 39, 53, 159, 251, 499, 689, 753, 1497, 2067, 3263, 6487, 9789, 13303, 19461, 26447, 39909, 79341, 125249, 172939, 343811, 375747, 518817, 1031433, 1628237, 4884711, 6638197, 19914591, 86296561, 258889683]

約数ペア:

[(1, 258889683), (3, 86296561), (13, 19914591), (39, 6638197), (53, 4884711), (159, 1628237), (251, 1031433), (499, 518817), (689, 375747), (753, 343811), (1497, 172939), (2067, 125249), (3263, 79341), (6487, 39909), (9789, 26447), (13303, 19461)]