890358728

素因数分解:

$2^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{36217}}^1$

素因数の和:36669

約数の個数: 32

約数和(自身を含む): 1912310400

約数和(自身を除く): 1021951672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 439, 878, 1756, 3073, 3512, 6146, 12292, 24584, 36217, 72434, 144868, 253519, 289736, 507038, 1014076, 2028152, 15899263, 31798526, 63597052, 111294841, 127194104, 222589682, 445179364, 890358728]

約数ペア:

[(1, 890358728), (2, 445179364), (4, 222589682), (7, 127194104), (8, 111294841), (14, 63597052), (28, 31798526), (56, 15899263), (439, 2028152), (878, 1014076), (1756, 507038), (3073, 289736), (3512, 253519), (6146, 144868), (12292, 72434), (24584, 36217)]