396519721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{21991}}^1$

素因数の和:22096

約数の個数: 16

約数和(自身を含む): 455674240

約数和(自身を除く): 59154519

約数列:

[1, 13, 19, 73, 247, 949, 1387, 18031, 21991, 285883, 417829, 1605343, 5431777, 20869459, 30501517, 396519721]

約数ペア:

[(1, 396519721), (13, 30501517), (19, 20869459), (73, 5431777), (247, 1605343), (949, 417829), (1387, 285883), (18031, 21991)]