64695895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 89164800

約数和(自身を除く): 24468905

約数列:

[1, 5, 11, 23, 55, 115, 199, 253, 257, 995, 1265, 1285, 2189, 2827, 4577, 5911, 10945, 14135, 22885, 29555, 50347, 51143, 65021, 251735, 255715, 325105, 562573, 1176289, 2812865, 5881445, 12939179, 64695895]

約数ペア:

[(1, 64695895), (5, 12939179), (11, 5881445), (23, 2812865), (55, 1176289), (115, 562573), (199, 325105), (253, 255715), (257, 251735), (995, 65021), (1265, 51143), (1285, 50347), (2189, 29555), (2827, 22885), (4577, 14135), (5911, 10945)]