66477808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{218677}}^1$

素因数の和:218704

約数の個数: 20

約数和(自身を含む): 135580360

約数和(自身を除く): 69102552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 218677, 437354, 874708, 1749416, 3498832, 4154863, 8309726, 16619452, 33238904, 66477808]

約数ペア:

[(1, 66477808), (2, 33238904), (4, 16619452), (8, 8309726), (16, 4154863), (19, 3498832), (38, 1749416), (76, 874708), (152, 437354), (304, 218677)]