228567986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 367752000

約数和(自身を除く): 139184014

約数列:

[1, 2, 19, 38, 109, 139, 218, 278, 397, 794, 2071, 2641, 4142, 5282, 7543, 15086, 15151, 30302, 43273, 55183, 86546, 110366, 287869, 575738, 822187, 1048477, 1644374, 2096954, 6014947, 12029894, 114283993, 228567986]

約数ペア:

[(1, 228567986), (2, 114283993), (19, 12029894), (38, 6014947), (109, 2096954), (139, 1644374), (218, 1048477), (278, 822187), (397, 575738), (794, 287869), (2071, 110366), (2641, 86546), (4142, 55183), (5282, 43273), (7543, 30302), (15086, 15151)]