261145528

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 572866560

約数和(自身を除く): 311721032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 127, 146, 254, 292, 503, 508, 511, 584, 889, 1006, 1016, 1022, 1778, 2012, 2044, 3521, 3556, 4024, 4088, 7042, 7112, 9271, 14084, 18542, 28168, 36719, 37084, 63881, 64897, 73438, 74168, 127762, 129794, 146876, 255524, 257033, 259588, 293752, 447167, 511048, 514066, 519176, 894334, 1028132, 1788668, 2056264, 3577336, 4663313, 9326626, 18653252, 32643191, 37306504, 65286382, 130572764, 261145528]

約数ペア:

[(1, 261145528), (2, 130572764), (4, 65286382), (7, 37306504), (8, 32643191), (14, 18653252), (28, 9326626), (56, 4663313), (73, 3577336), (127, 2056264), (146, 1788668), (254, 1028132), (292, 894334), (503, 519176), (508, 514066), (511, 511048), (584, 447167), (889, 293752), (1006, 259588), (1016, 257033), (1022, 255524), (1778, 146876), (2012, 129794), (2044, 127762), (3521, 74168), (3556, 73438), (4024, 64897), (4088, 63881), (7042, 37084), (7112, 36719), (9271, 28168), (14084, 18542)]