67207408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{221077}}^1$

素因数の和:221104

約数の個数: 20

約数和(自身を含む): 137068360

約数和(自身を除く): 69860952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 221077, 442154, 884308, 1768616, 3537232, 4200463, 8400926, 16801852, 33603704, 67207408]

約数ペア:

[(1, 67207408), (2, 33603704), (4, 16801852), (8, 8400926), (16, 4200463), (19, 3537232), (38, 1768616), (76, 884308), (152, 442154), (304, 221077)]