56513015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 78019200

約数和(自身を除く): 21506185

約数列:

[1, 5, 13, 17, 65, 85, 199, 221, 257, 995, 1105, 1285, 2587, 3341, 3383, 4369, 12935, 16705, 16915, 21845, 43979, 51143, 56797, 219895, 255715, 283985, 664859, 869431, 3324295, 4347155, 11302603, 56513015]

約数ペア:

[(1, 56513015), (5, 11302603), (13, 4347155), (17, 3324295), (65, 869431), (85, 664859), (199, 283985), (221, 255715), (257, 219895), (995, 56797), (1105, 51143), (1285, 43979), (2587, 21845), (3341, 16915), (3383, 16705), (4369, 12935)]