220909856

素因数分解:

$2^5\times {\mathrm{397}}^1\times {\mathrm{17389}}^1$

素因数の和:17796

約数の個数: 24

約数和(自身を含む): 436036860

約数和(自身を除く): 215127004

約数列:

[1, 2, 4, 8, 16, 32, 397, 794, 1588, 3176, 6352, 12704, 17389, 34778, 69556, 139112, 278224, 556448, 6903433, 13806866, 27613732, 55227464, 110454928, 220909856]

約数ペア:

[(1, 220909856), (2, 110454928), (4, 55227464), (8, 27613732), (16, 13806866), (32, 6903433), (397, 556448), (794, 278224), (1588, 139112), (3176, 69556), (6352, 34778), (12704, 17389)]