1220864

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 2575440

約数和(自身を除く): 1354576

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 251, 256, 304, 502, 608, 1004, 1216, 2008, 2432, 4016, 4769, 4864, 8032, 9538, 16064, 19076, 32128, 38152, 64256, 76304, 152608, 305216, 610432, 1220864]

約数ペア:

[(1, 1220864), (2, 610432), (4, 305216), (8, 152608), (16, 76304), (19, 64256), (32, 38152), (38, 32128), (64, 19076), (76, 16064), (128, 9538), (152, 8032), (251, 4864), (256, 4769), (304, 4016), (502, 2432), (608, 2008), (1004, 1216)]