172625887

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 216576000

約数和(自身を除く): 43950113

約数列:

[1, 7, 19, 31, 133, 149, 217, 281, 589, 1043, 1967, 2831, 4123, 4619, 5339, 8711, 19817, 32333, 37373, 41869, 60977, 87761, 165509, 293083, 614327, 795511, 1158563, 1297939, 5568577, 9085573, 24660841, 172625887]

約数ペア:

[(1, 172625887), (7, 24660841), (19, 9085573), (31, 5568577), (133, 1297939), (149, 1158563), (217, 795511), (281, 614327), (589, 293083), (1043, 165509), (1967, 87761), (2831, 60977), (4123, 41869), (4619, 37373), (5339, 32333), (8711, 19817)]