68840826985

素因数分解:

$5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 96244600320

約数和(自身を除く): 27403773335

約数列:

[1, 5, 7, 35, 157, 227, 229, 241, 785, 1099, 1135, 1145, 1205, 1589, 1603, 1687, 5495, 7945, 8015, 8435, 35639, 35953, 37837, 51983, 54707, 55189, 178195, 179765, 189185, 249473, 251671, 259915, 264859, 273535, 275945, 363881, 382949, 386323, 1247365, 1258355, 1324295, 1819405, 1914745, 1931615, 8161331, 8588999, 8664673, 12527903, 40806655, 42944995, 43323365, 57129317, 60122993, 60652711, 62639515, 87695321, 285646585, 300614965, 303263555, 438476605, 1966880771, 9834403855, 13768165397, 68840826985]

約数ペア:

[(1, 68840826985), (5, 13768165397), (7, 9834403855), (35, 1966880771), (157, 438476605), (227, 303263555), (229, 300614965), (241, 285646585), (785, 87695321), (1099, 62639515), (1135, 60652711), (1145, 60122993), (1205, 57129317), (1589, 43323365), (1603, 42944995), (1687, 40806655), (5495, 12527903), (7945, 8664673), (8015, 8588999), (8435, 8161331), (35639, 1931615), (35953, 1914745), (37837, 1819405), (51983, 1324295), (54707, 1258355), (55189, 1247365), (178195, 386323), (179765, 382949), (189185, 363881), (249473, 275945), (251671, 273535), (259915, 264859)]