221390992

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{38543}}^1$

素因数の和:38910

約数の個数: 20

約数和(自身を含む): 430151040

約数和(自身を除く): 208760048

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 5744, 38543, 77086, 154172, 308344, 616688, 13836937, 27673874, 55347748, 110695496, 221390992]

約数ペア:

[(1, 221390992), (2, 110695496), (4, 55347748), (8, 27673874), (16, 13836937), (359, 616688), (718, 308344), (1436, 154172), (2872, 77086), (5744, 38543)]