80766608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{388301}}^1$

素因数の和:388322

約数の個数: 20

約数和(自身を含む): 168523068

約数和(自身を除く): 87756460

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 388301, 776602, 1553204, 3106408, 5047913, 6212816, 10095826, 20191652, 40383304, 80766608]

約数ペア:

[(1, 80766608), (2, 40383304), (4, 20191652), (8, 10095826), (13, 6212816), (16, 5047913), (26, 3106408), (52, 1553204), (104, 776602), (208, 388301)]