278889306

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{15427}}^1$

素因数の和:15586

約数の個数: 32

約数和(自身を含む): 586510848

約数和(自身を除く): 307621542

約数列:

[1, 2, 3, 6, 23, 46, 69, 131, 138, 262, 393, 786, 3013, 6026, 9039, 15427, 18078, 30854, 46281, 92562, 354821, 709642, 1064463, 2020937, 2128926, 4041874, 6062811, 12125622, 46481551, 92963102, 139444653, 278889306]

約数ペア:

[(1, 278889306), (2, 139444653), (3, 92963102), (6, 46481551), (23, 12125622), (46, 6062811), (69, 4041874), (131, 2128926), (138, 2020937), (262, 1064463), (393, 709642), (786, 354821), (3013, 92562), (6026, 46281), (9039, 30854), (15427, 18078)]