256444915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{49459}}^1$

素因数の和:49542

約数の個数: 16

約数和(自身を含む): 331184160

約数和(自身を除く): 74739245

約数列:

[1, 5, 17, 61, 85, 305, 1037, 5185, 49459, 247295, 840803, 3016999, 4204015, 15084995, 51288983, 256444915]

約数ペア:

[(1, 256444915), (5, 51288983), (17, 15084995), (61, 4204015), (85, 3016999), (305, 840803), (1037, 247295), (5185, 49459)]