257238852

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{20873}}^1$

素因数の和:20972

約数の個数: 48

約数和(自身を含む): 654608640

約数和(自身を除く): 397369788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 79, 156, 158, 237, 316, 474, 948, 1027, 2054, 3081, 4108, 6162, 12324, 20873, 41746, 62619, 83492, 125238, 250476, 271349, 542698, 814047, 1085396, 1628094, 1648967, 3256188, 3297934, 4946901, 6595868, 9893802, 19787604, 21436571, 42873142, 64309713, 85746284, 128619426, 257238852]

約数ペア:

[(1, 257238852), (2, 128619426), (3, 85746284), (4, 64309713), (6, 42873142), (12, 21436571), (13, 19787604), (26, 9893802), (39, 6595868), (52, 4946901), (78, 3297934), (79, 3256188), (156, 1648967), (158, 1628094), (237, 1085396), (316, 814047), (474, 542698), (948, 271349), (1027, 250476), (2054, 125238), (3081, 83492), (4108, 62619), (6162, 41746), (12324, 20873)]