64691341

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 85380480

約数和(自身を除く): 20689139

約数列:

[1, 11, 13, 17, 23, 89, 143, 169, 187, 221, 253, 299, 391, 979, 1157, 1513, 1859, 2047, 2431, 2873, 3289, 3887, 4301, 5083, 12727, 15041, 16643, 19669, 22517, 26611, 31603, 34799, 42757, 55913, 66079, 165451, 216359, 255697, 292721, 345943, 382789, 452387, 726869, 2812667, 3805373, 4976257, 5881031, 64691341]

約数ペア:

[(1, 64691341), (11, 5881031), (13, 4976257), (17, 3805373), (23, 2812667), (89, 726869), (143, 452387), (169, 382789), (187, 345943), (221, 292721), (253, 255697), (299, 216359), (391, 165451), (979, 66079), (1157, 55913), (1513, 42757), (1859, 34799), (2047, 31603), (2431, 26611), (2873, 22517), (3289, 19669), (3887, 16643), (4301, 15041), (5083, 12727)]