221479504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{728551}}^1$

素因数の和:728578

約数の個数: 20

約数和(自身を含む): 451702240

約数和(自身を除く): 230222736

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 728551, 1457102, 2914204, 5828408, 11656816, 13842469, 27684938, 55369876, 110739752, 221479504]

約数ペア:

[(1, 221479504), (2, 110739752), (4, 55369876), (8, 27684938), (16, 13842469), (19, 11656816), (38, 5828408), (76, 2914204), (152, 1457102), (304, 728551)]