1620341738

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{194239}}^1$

素因数の和:194381

約数の個数: 16

約数和(自身を含む): 2512688640

約数和(自身を除く): 892346902

約数列:

[1, 2, 43, 86, 97, 194, 4171, 8342, 194239, 388478, 8352277, 16704554, 18841183, 37682366, 810170869, 1620341738]

約数ペア:

[(1, 1620341738), (2, 810170869), (43, 37682366), (86, 18841183), (97, 16704554), (194, 8352277), (4171, 388478), (8342, 194239)]