27991938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{937}}^1$

素因数の和:1338

約数の個数: 32

約数和(自身を含む): 60512256

約数和(自身を除く): 32520318

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 383, 766, 937, 1149, 1874, 2298, 2811, 4979, 5622, 9958, 12181, 14937, 24362, 29874, 36543, 73086, 358871, 717742, 1076613, 2153226, 4665323, 9330646, 13995969, 27991938]

約数ペア:

[(1, 27991938), (2, 13995969), (3, 9330646), (6, 4665323), (13, 2153226), (26, 1076613), (39, 717742), (78, 358871), (383, 73086), (766, 36543), (937, 29874), (1149, 24362), (1874, 14937), (2298, 12181), (2811, 9958), (4979, 5622)]