217570304

素因数分解:

$2^{10}\times 7^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:393

約数の個数: 88

約数和(自身を含む): 503070720

約数和(自身を除く): 285500416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 224, 239, 254, 256, 448, 478, 508, 512, 889, 896, 956, 1016, 1024, 1673, 1778, 1792, 1912, 2032, 3346, 3556, 3584, 3824, 4064, 6692, 7112, 7168, 7648, 8128, 13384, 14224, 15296, 16256, 26768, 28448, 30353, 30592, 32512, 53536, 56896, 60706, 61184, 65024, 107072, 113792, 121412, 122368, 130048, 212471, 214144, 227584, 242824, 244736, 424942, 428288, 455168, 485648, 849884, 856576, 910336, 971296, 1699768, 1713152, 1942592, 3399536, 3885184, 6799072, 7770368, 13598144, 15540736, 27196288, 31081472, 54392576, 108785152, 217570304]

約数ペア:

[(1, 217570304), (2, 108785152), (4, 54392576), (7, 31081472), (8, 27196288), (14, 15540736), (16, 13598144), (28, 7770368), (32, 6799072), (56, 3885184), (64, 3399536), (112, 1942592), (127, 1713152), (128, 1699768), (224, 971296), (239, 910336), (254, 856576), (256, 849884), (448, 485648), (478, 455168), (508, 428288), (512, 424942), (889, 244736), (896, 242824), (956, 227584), (1016, 214144), (1024, 212471), (1673, 130048), (1778, 122368), (1792, 121412), (1912, 113792), (2032, 107072), (3346, 65024), (3556, 61184), (3584, 60706), (3824, 56896), (4064, 53536), (6692, 32512), (7112, 30592), (7168, 30353), (7648, 28448), (8128, 26768), (13384, 16256), (14224, 15296)]