71467664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{235091}}^1$

素因数の和:235118

約数の個数: 20

約数和(自身を含む): 145757040

約数和(自身を除く): 74289376

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 235091, 470182, 940364, 1880728, 3761456, 4466729, 8933458, 17866916, 35733832, 71467664]

約数ペア:

[(1, 71467664), (2, 35733832), (4, 17866916), (8, 8933458), (16, 4466729), (19, 3761456), (38, 1880728), (76, 940364), (152, 470182), (304, 235091)]