221120984

素因数分解:

$2^3\times 7^1\times {\mathrm{3948589}}^1$

素因数の和:3948602

約数の個数: 16

約数和(自身を含む): 473830800

約数和(自身を除く): 252709816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3948589, 7897178, 15794356, 27640123, 31588712, 55280246, 110560492, 221120984]

約数ペア:

[(1, 221120984), (2, 110560492), (4, 55280246), (7, 31588712), (8, 27640123), (14, 15794356), (28, 7897178), (56, 3948589)]