387931486

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 605011680

約数和(自身を除く): 217080194

約数列:

[1, 2, 53, 106, 113, 139, 226, 233, 278, 466, 5989, 7367, 11978, 12349, 14734, 15707, 24698, 26329, 31414, 32387, 52658, 64774, 832471, 1395437, 1664942, 1716511, 2790874, 3433022, 3659731, 7319462, 193965743, 387931486]

約数ペア:

[(1, 387931486), (2, 193965743), (53, 7319462), (106, 3659731), (113, 3433022), (139, 2790874), (226, 1716511), (233, 1664942), (278, 1395437), (466, 832471), (5989, 64774), (7367, 52658), (11978, 32387), (12349, 31414), (14734, 26329), (15707, 24698)]