121615504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{400051}}^1$

素因数の和:400078

約数の個数: 20

約数和(自身を含む): 248032240

約数和(自身を除く): 126416736

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 400051, 800102, 1600204, 3200408, 6400816, 7600969, 15201938, 30403876, 60807752, 121615504]

約数ペア:

[(1, 121615504), (2, 60807752), (4, 30403876), (8, 15201938), (16, 7600969), (19, 6400816), (38, 3200408), (76, 1600204), (152, 800102), (304, 400051)]