66800195

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 107274240

約数和(自身を除く): 40474045

約数列:

[1, 5, 7, 11, 29, 31, 35, 55, 77, 145, 155, 193, 203, 217, 319, 341, 385, 899, 965, 1015, 1085, 1351, 1595, 1705, 2123, 2233, 2387, 4495, 5597, 5983, 6293, 6755, 9889, 10615, 11165, 11935, 14861, 27985, 29915, 31465, 39179, 41881, 49445, 61567, 65813, 69223, 74305, 173507, 195895, 209405, 307835, 329065, 346115, 430969, 460691, 867535, 1214549, 1908577, 2154845, 2303455, 6072745, 9542885, 13360039, 66800195]

約数ペア:

[(1, 66800195), (5, 13360039), (7, 9542885), (11, 6072745), (29, 2303455), (31, 2154845), (35, 1908577), (55, 1214549), (77, 867535), (145, 460691), (155, 430969), (193, 346115), (203, 329065), (217, 307835), (319, 209405), (341, 195895), (385, 173507), (899, 74305), (965, 69223), (1015, 65813), (1085, 61567), (1351, 49445), (1595, 41881), (1705, 39179), (2123, 31465), (2233, 29915), (2387, 27985), (4495, 14861), (5597, 11935), (5983, 11165), (6293, 10615), (6755, 9889)]