31579888

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 63196848

約数和(自身を除く): 31616960

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 197, 233, 344, 394, 466, 688, 788, 932, 1576, 1864, 3152, 3728, 8471, 10019, 16942, 20038, 33884, 40076, 45901, 67768, 80152, 91802, 135536, 160304, 183604, 367208, 734416, 1973743, 3947486, 7894972, 15789944, 31579888]

約数ペア:

[(1, 31579888), (2, 15789944), (4, 7894972), (8, 3947486), (16, 1973743), (43, 734416), (86, 367208), (172, 183604), (197, 160304), (233, 135536), (344, 91802), (394, 80152), (466, 67768), (688, 45901), (788, 40076), (932, 33884), (1576, 20038), (1864, 16942), (3152, 10019), (3728, 8471)]