218121904

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13619}}^1$

素因数の和:13658

約数の個数: 80

約数和(自身を含む): 567463680

約数和(自身を除く): 349341776

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 8008, 13619, 16016, 27238, 54476, 95333, 108952, 149809, 177047, 190666, 217904, 299618, 354094, 381332, 599236, 708188, 762664, 1048663, 1198472, 1239329, 1416376, 1525328, 1947517, 2097326, 2396944, 2478658, 2832752, 3895034, 4194652, 4957316, 7790068, 8389304, 9914632, 13632619, 15580136, 16778608, 19829264, 27265238, 31160272, 54530476, 109060952, 218121904]

約数ペア:

[(1, 218121904), (2, 109060952), (4, 54530476), (7, 31160272), (8, 27265238), (11, 19829264), (13, 16778608), (14, 15580136), (16, 13632619), (22, 9914632), (26, 8389304), (28, 7790068), (44, 4957316), (52, 4194652), (56, 3895034), (77, 2832752), (88, 2478658), (91, 2396944), (104, 2097326), (112, 1947517), (143, 1525328), (154, 1416376), (176, 1239329), (182, 1198472), (208, 1048663), (286, 762664), (308, 708188), (364, 599236), (572, 381332), (616, 354094), (728, 299618), (1001, 217904), (1144, 190666), (1232, 177047), (1456, 149809), (2002, 108952), (2288, 95333), (4004, 54476), (8008, 27238), (13619, 16016)]