71811978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2339}}^1$

素因数の和:2411

約数の個数: 64

約数和(自身を含む): 177914880

約数和(自身を除く): 106102902

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 43, 51, 86, 102, 119, 129, 238, 258, 301, 357, 602, 714, 731, 903, 1462, 1806, 2193, 2339, 4386, 4678, 5117, 7017, 10234, 14034, 15351, 16373, 30702, 32746, 39763, 49119, 79526, 98238, 100577, 119289, 201154, 238578, 278341, 301731, 556682, 603462, 704039, 835023, 1408078, 1670046, 1709809, 2112117, 3419618, 4224234, 5129427, 10258854, 11968663, 23937326, 35905989, 71811978]

約数ペア:

[(1, 71811978), (2, 35905989), (3, 23937326), (6, 11968663), (7, 10258854), (14, 5129427), (17, 4224234), (21, 3419618), (34, 2112117), (42, 1709809), (43, 1670046), (51, 1408078), (86, 835023), (102, 704039), (119, 603462), (129, 556682), (238, 301731), (258, 278341), (301, 238578), (357, 201154), (602, 119289), (714, 100577), (731, 98238), (903, 79526), (1462, 49119), (1806, 39763), (2193, 32746), (2339, 30702), (4386, 16373), (4678, 15351), (5117, 14034), (7017, 10234)]