15881216

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{1193}}^1$

素因数の和:1226

約数の個数: 44

約数和(自身を含む): 34217652

約数和(自身を除く): 18336436

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1193, 1664, 2386, 3328, 4772, 6656, 9544, 13312, 15509, 19088, 31018, 38176, 62036, 76352, 124072, 152704, 248144, 305408, 496288, 610816, 992576, 1221632, 1985152, 3970304, 7940608, 15881216]

約数ペア:

[(1, 15881216), (2, 7940608), (4, 3970304), (8, 1985152), (13, 1221632), (16, 992576), (26, 610816), (32, 496288), (52, 305408), (64, 248144), (104, 152704), (128, 124072), (208, 76352), (256, 62036), (416, 38176), (512, 31018), (832, 19088), (1024, 15509), (1193, 13312), (1664, 9544), (2386, 6656), (3328, 4772)]