663328

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1120

約数の個数: 24

約数和(自身を含む): 1375920

約数和(自身を除く): 712592

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 1091, 2182, 4364, 8728, 17456, 20729, 34912, 41458, 82916, 165832, 331664, 663328]

約数ペア:

[(1, 663328), (2, 331664), (4, 165832), (8, 82916), (16, 41458), (19, 34912), (32, 20729), (38, 17456), (76, 8728), (152, 4364), (304, 2182), (608, 1091)]