78802516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{5393}}^1$

素因数の和:5691

約数の個数: 24

約数和(自身を含む): 149068584

約数和(自身を除く): 70266068

約数列:

[1, 2, 4, 13, 26, 52, 281, 562, 1124, 3653, 5393, 7306, 10786, 14612, 21572, 70109, 140218, 280436, 1515433, 3030866, 6061732, 19700629, 39401258, 78802516]

約数ペア:

[(1, 78802516), (2, 39401258), (4, 19700629), (13, 6061732), (26, 3030866), (52, 1515433), (281, 280436), (562, 140218), (1124, 70109), (3653, 21572), (5393, 14612), (7306, 10786)]