261462704

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{907}}^1$

素因数の和:1377

約数の個数: 40

約数和(自身を含む): 520175040

約数和(自身を除く): 258712336

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 419, 688, 838, 907, 1676, 1814, 3352, 3628, 6704, 7256, 14512, 18017, 36034, 39001, 72068, 78002, 144136, 156004, 288272, 312008, 380033, 624016, 760066, 1520132, 3040264, 6080528, 16341419, 32682838, 65365676, 130731352, 261462704]

約数ペア:

[(1, 261462704), (2, 130731352), (4, 65365676), (8, 32682838), (16, 16341419), (43, 6080528), (86, 3040264), (172, 1520132), (344, 760066), (419, 624016), (688, 380033), (838, 312008), (907, 288272), (1676, 156004), (1814, 144136), (3352, 78002), (3628, 72068), (6704, 39001), (7256, 36034), (14512, 18017)]