27778816

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 63355824

約数和(自身を除く): 35577008

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 491, 544, 832, 884, 982, 1088, 1664, 1768, 1964, 2176, 3328, 3536, 3928, 4352, 6383, 7072, 7856, 8347, 12766, 14144, 15712, 16694, 25532, 28288, 31424, 33388, 51064, 56576, 62848, 66776, 102128, 108511, 125696, 133552, 204256, 217022, 267104, 408512, 434044, 534208, 817024, 868088, 1068416, 1634048, 1736176, 2136832, 3472352, 6944704, 13889408, 27778816]

約数ペア:

[(1, 27778816), (2, 13889408), (4, 6944704), (8, 3472352), (13, 2136832), (16, 1736176), (17, 1634048), (26, 1068416), (32, 868088), (34, 817024), (52, 534208), (64, 434044), (68, 408512), (104, 267104), (128, 217022), (136, 204256), (208, 133552), (221, 125696), (256, 108511), (272, 102128), (416, 66776), (442, 62848), (491, 56576), (544, 51064), (832, 33388), (884, 31424), (982, 28288), (1088, 25532), (1664, 16694), (1768, 15712), (1964, 14144), (2176, 12766), (3328, 8347), (3536, 7856), (3928, 7072), (4352, 6383)]