72164728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{1811}}^1$

素因数の和:2127

約数の個数: 32

約数和(自身を含む): 143836560

約数和(自身を除く): 71671832

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 293, 586, 1172, 1811, 2344, 3622, 4981, 7244, 9962, 14488, 19924, 30787, 39848, 61574, 123148, 246296, 530623, 1061246, 2122492, 4244984, 9020591, 18041182, 36082364, 72164728]

約数ペア:

[(1, 72164728), (2, 36082364), (4, 18041182), (8, 9020591), (17, 4244984), (34, 2122492), (68, 1061246), (136, 530623), (293, 246296), (586, 123148), (1172, 61574), (1811, 39848), (2344, 30787), (3622, 19924), (4981, 14488), (7244, 9962)]