220949648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{445463}}^1$

素因数の和:445502

約数の個数: 20

約数和(自身を含む): 441900288

約数和(自身を除く): 220950640

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 445463, 890926, 1781852, 3563704, 7127408, 13809353, 27618706, 55237412, 110474824, 220949648]

約数ペア:

[(1, 220949648), (2, 110474824), (4, 55237412), (8, 27618706), (16, 13809353), (31, 7127408), (62, 3563704), (124, 1781852), (248, 890926), (496, 445463)]