81618368

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{373}}^1$

素因数の和:661

約数の個数: 56

約数和(自身を含む): 175552608

約数和(自身を除く): 93934240

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 263, 373, 416, 526, 746, 832, 1052, 1492, 2104, 2984, 3419, 4208, 4849, 5968, 6838, 8416, 9698, 11936, 13676, 16832, 19396, 23872, 27352, 38792, 54704, 77584, 98099, 109408, 155168, 196198, 218816, 310336, 392396, 784792, 1275287, 1569584, 2550574, 3139168, 5101148, 6278336, 10202296, 20404592, 40809184, 81618368]

約数ペア:

[(1, 81618368), (2, 40809184), (4, 20404592), (8, 10202296), (13, 6278336), (16, 5101148), (26, 3139168), (32, 2550574), (52, 1569584), (64, 1275287), (104, 784792), (208, 392396), (263, 310336), (373, 218816), (416, 196198), (526, 155168), (746, 109408), (832, 98099), (1052, 77584), (1492, 54704), (2104, 38792), (2984, 27352), (3419, 23872), (4208, 19396), (4849, 16832), (5968, 13676), (6838, 11936), (8416, 9698)]