81043352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2052

約数の個数: 64

約数和(自身を含む): 180895680

約数和(自身を除く): 99852328

約数列:

[1, 2, 4, 8, 13, 17, 23, 26, 34, 46, 52, 68, 92, 104, 136, 184, 221, 299, 391, 442, 598, 782, 884, 1196, 1564, 1768, 1993, 2392, 3128, 3986, 5083, 7972, 10166, 15944, 20332, 25909, 33881, 40664, 45839, 51818, 67762, 91678, 103636, 135524, 183356, 207272, 271048, 366712, 440453, 595907, 779263, 880906, 1191814, 1558526, 1761812, 2383628, 3117052, 3523624, 4767256, 6234104, 10130419, 20260838, 40521676, 81043352]

約数ペア:

[(1, 81043352), (2, 40521676), (4, 20260838), (8, 10130419), (13, 6234104), (17, 4767256), (23, 3523624), (26, 3117052), (34, 2383628), (46, 1761812), (52, 1558526), (68, 1191814), (92, 880906), (104, 779263), (136, 595907), (184, 440453), (221, 366712), (299, 271048), (391, 207272), (442, 183356), (598, 135524), (782, 103636), (884, 91678), (1196, 67762), (1564, 51818), (1768, 45839), (1993, 40664), (2392, 33881), (3128, 25909), (3986, 20332), (5083, 15944), (7972, 10166)]