71180308

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 140152320

約数和(自身を除く): 68972012

約数列:

[1, 2, 4, 19, 23, 38, 43, 46, 76, 86, 92, 172, 437, 817, 874, 947, 989, 1634, 1748, 1894, 1978, 3268, 3788, 3956, 17993, 18791, 21781, 35986, 37582, 40721, 43562, 71972, 75164, 81442, 87124, 162884, 413839, 773699, 827678, 936583, 1547398, 1655356, 1873166, 3094796, 3746332, 17795077, 35590154, 71180308]

約数ペア:

[(1, 71180308), (2, 35590154), (4, 17795077), (19, 3746332), (23, 3094796), (38, 1873166), (43, 1655356), (46, 1547398), (76, 936583), (86, 827678), (92, 773699), (172, 413839), (437, 162884), (817, 87124), (874, 81442), (947, 75164), (989, 71972), (1634, 43562), (1748, 40721), (1894, 37582), (1978, 35986), (3268, 21781), (3788, 18791), (3956, 17993)]