290269168

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{20407}}^1$

素因数の和:20549

約数の個数: 40

約数和(自身を含む): 647831552

約数和(自身を除く): 357562384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 14224, 20407, 40814, 81628, 142849, 163256, 285698, 326512, 571396, 1142792, 2285584, 2591689, 5183378, 10366756, 18141823, 20733512, 36283646, 41467024, 72567292, 145134584, 290269168]

約数ペア:

[(1, 290269168), (2, 145134584), (4, 72567292), (7, 41467024), (8, 36283646), (14, 20733512), (16, 18141823), (28, 10366756), (56, 5183378), (112, 2591689), (127, 2285584), (254, 1142792), (508, 571396), (889, 326512), (1016, 285698), (1778, 163256), (2032, 142849), (3556, 81628), (7112, 40814), (14224, 20407)]