201921928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1941557}}^1$

素因数の和:1941576

約数の個数: 16

約数和(自身を含む): 407727180

約数和(自身を除く): 205805252

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1941557, 3883114, 7766228, 15532456, 25240241, 50480482, 100960964, 201921928]

約数ペア:

[(1, 201921928), (2, 100960964), (4, 50480482), (8, 25240241), (13, 15532456), (26, 7766228), (52, 3883114), (104, 1941557)]