61621864

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{405407}}^1$

素因数の和:405432

約数の個数: 16

約数和(自身を含む): 121622400

約数和(自身を除く): 60000536

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 405407, 810814, 1621628, 3243256, 7702733, 15405466, 30810932, 61621864]

約数ペア:

[(1, 61621864), (2, 30810932), (4, 15405466), (8, 7702733), (19, 3243256), (38, 1621628), (76, 810814), (152, 405407)]