81424392

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1373}}^1$

素因数の和:1742

約数の個数: 64

約数和(自身を含む): 233470080

約数和(自身を除く): 152045688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 353, 706, 1059, 1373, 1412, 2118, 2471, 2746, 2824, 4119, 4236, 4942, 5492, 7413, 8238, 8472, 9611, 9884, 10984, 14826, 16476, 19222, 19768, 28833, 29652, 32952, 38444, 57666, 59304, 76888, 115332, 230664, 484669, 969338, 1454007, 1938676, 2908014, 3392683, 3877352, 5816028, 6785366, 10178049, 11632056, 13570732, 20356098, 27141464, 40712196, 81424392]

約数ペア:

[(1, 81424392), (2, 40712196), (3, 27141464), (4, 20356098), (6, 13570732), (7, 11632056), (8, 10178049), (12, 6785366), (14, 5816028), (21, 3877352), (24, 3392683), (28, 2908014), (42, 1938676), (56, 1454007), (84, 969338), (168, 484669), (353, 230664), (706, 115332), (1059, 76888), (1373, 59304), (1412, 57666), (2118, 38444), (2471, 32952), (2746, 29652), (2824, 28833), (4119, 19768), (4236, 19222), (4942, 16476), (5492, 14826), (7413, 10984), (8238, 9884), (8472, 9611)]