68184655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 109486080

約数和(自身を除く): 41301425

約数列:

[1, 5, 7, 11, 29, 31, 35, 55, 77, 145, 155, 197, 203, 217, 319, 341, 385, 899, 985, 1015, 1085, 1379, 1595, 1705, 2167, 2233, 2387, 4495, 5713, 6107, 6293, 6895, 9889, 10835, 11165, 11935, 15169, 28565, 30535, 31465, 39991, 42749, 49445, 62843, 67177, 69223, 75845, 177103, 199955, 213745, 314215, 335885, 346115, 439901, 470239, 885515, 1239721, 1948133, 2199505, 2351195, 6198605, 9740665, 13636931, 68184655]

約数ペア:

[(1, 68184655), (5, 13636931), (7, 9740665), (11, 6198605), (29, 2351195), (31, 2199505), (35, 1948133), (55, 1239721), (77, 885515), (145, 470239), (155, 439901), (197, 346115), (203, 335885), (217, 314215), (319, 213745), (341, 199955), (385, 177103), (899, 75845), (985, 69223), (1015, 67177), (1085, 62843), (1379, 49445), (1595, 42749), (1705, 39991), (2167, 31465), (2233, 30535), (2387, 28565), (4495, 15169), (5713, 11935), (6107, 11165), (6293, 10835), (6895, 9889)]