78970661

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 113135616

約数和(自身を除く): 34164955

約数列:

[1, 7, 11, 17, 23, 43, 61, 77, 119, 161, 187, 253, 301, 391, 427, 473, 671, 731, 989, 1037, 1309, 1403, 1771, 2623, 2737, 3311, 4301, 4697, 5117, 6923, 7259, 8041, 9821, 10879, 11407, 15433, 16813, 18361, 23851, 28853, 30107, 44591, 56287, 60329, 76153, 79849, 108031, 117691, 166957, 184943, 201971, 262361, 312137, 422303, 490501, 663619, 1025593, 1294601, 1836527, 3433507, 4645333, 7179151, 11281523, 78970661]

約数ペア:

[(1, 78970661), (7, 11281523), (11, 7179151), (17, 4645333), (23, 3433507), (43, 1836527), (61, 1294601), (77, 1025593), (119, 663619), (161, 490501), (187, 422303), (253, 312137), (301, 262361), (391, 201971), (427, 184943), (473, 166957), (671, 117691), (731, 108031), (989, 79849), (1037, 76153), (1309, 60329), (1403, 56287), (1771, 44591), (2623, 30107), (2737, 28853), (3311, 23851), (4301, 18361), (4697, 16813), (5117, 15433), (6923, 11407), (7259, 10879), (8041, 9821)]