81135866

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1635

約数の個数: 48

約数和(自身を含む): 154835712

約数和(自身を除く): 73699846

約数列:

[1, 2, 7, 14, 17, 31, 34, 49, 62, 98, 119, 217, 238, 434, 527, 833, 1054, 1519, 1571, 1666, 3038, 3142, 3689, 7378, 10997, 21994, 25823, 26707, 48701, 51646, 53414, 76979, 97402, 153958, 186949, 340907, 373898, 681814, 827917, 1308643, 1655834, 2386349, 2617286, 4772698, 5795419, 11590838, 40567933, 81135866]

約数ペア:

[(1, 81135866), (2, 40567933), (7, 11590838), (14, 5795419), (17, 4772698), (31, 2617286), (34, 2386349), (49, 1655834), (62, 1308643), (98, 827917), (119, 681814), (217, 373898), (238, 340907), (434, 186949), (527, 153958), (833, 97402), (1054, 76979), (1519, 53414), (1571, 51646), (1666, 48701), (3038, 26707), (3142, 25823), (3689, 21994), (7378, 10997)]