13889408

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 31615920

約数和(自身を除く): 17726512

約数列:

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

約数ペア:

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