12979712

素因数分解:

$2^9\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 40

約数和(自身を含む): 26295192

約数和(自身を除く): 13315480

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 251, 256, 404, 502, 512, 808, 1004, 1616, 2008, 3232, 4016, 6464, 8032, 12928, 16064, 25351, 25856, 32128, 50702, 51712, 64256, 101404, 128512, 202808, 405616, 811232, 1622464, 3244928, 6489856, 12979712]

約数ペア:

[(1, 12979712), (2, 6489856), (4, 3244928), (8, 1622464), (16, 811232), (32, 405616), (64, 202808), (101, 128512), (128, 101404), (202, 64256), (251, 51712), (256, 50702), (404, 32128), (502, 25856), (512, 25351), (808, 16064), (1004, 12928), (1616, 8032), (2008, 6464), (3232, 4016)]