123907208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{5471}}^1$

素因数の和:5645

約数の個数: 32

約数和(自身を含む): 246240000

約数和(自身を除く): 122332792

約数列:

[1, 2, 4, 8, 19, 38, 76, 149, 152, 298, 596, 1192, 2831, 5471, 5662, 10942, 11324, 21884, 22648, 43768, 103949, 207898, 415796, 815179, 831592, 1630358, 3260716, 6521432, 15488401, 30976802, 61953604, 123907208]

約数ペア:

[(1, 123907208), (2, 61953604), (4, 30976802), (8, 15488401), (19, 6521432), (38, 3260716), (76, 1630358), (149, 831592), (152, 815179), (298, 415796), (596, 207898), (1192, 103949), (2831, 43768), (5471, 22648), (5662, 21884), (10942, 11324)]