221036778

素因数分解:

$2^1\times 3^2\times {\mathrm{1723}}^1\times {\mathrm{7127}}^1$

素因数の和:8858

約数の個数: 24

約数和(自身を含む): 479258208

約数和(自身を除く): 258221430

約数列:

[1, 2, 3, 6, 9, 18, 1723, 3446, 5169, 7127, 10338, 14254, 15507, 21381, 31014, 42762, 64143, 128286, 12279821, 24559642, 36839463, 73678926, 110518389, 221036778]

約数ペア:

[(1, 221036778), (2, 110518389), (3, 73678926), (6, 36839463), (9, 24559642), (18, 12279821), (1723, 128286), (3446, 64143), (5169, 42762), (7127, 31014), (10338, 21381), (14254, 15507)]