218994678

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1709}}^1$

素因数の和:1843

約数の個数: 80

約数和(自身を含む): 566105760

約数和(自身を除く): 347111082

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 113, 126, 162, 189, 226, 339, 378, 567, 678, 791, 1017, 1134, 1582, 1709, 2034, 2373, 3051, 3418, 4746, 5127, 6102, 7119, 9153, 10254, 11963, 14238, 15381, 18306, 21357, 23926, 30762, 35889, 42714, 46143, 64071, 71778, 92286, 107667, 128142, 138429, 193117, 215334, 276858, 323001, 386234, 579351, 646002, 969003, 1158702, 1351819, 1738053, 1938006, 2703638, 3476106, 4055457, 5214159, 8110914, 10428318, 12166371, 15642477, 24332742, 31284954, 36499113, 72998226, 109497339, 218994678]

約数ペア:

[(1, 218994678), (2, 109497339), (3, 72998226), (6, 36499113), (7, 31284954), (9, 24332742), (14, 15642477), (18, 12166371), (21, 10428318), (27, 8110914), (42, 5214159), (54, 4055457), (63, 3476106), (81, 2703638), (113, 1938006), (126, 1738053), (162, 1351819), (189, 1158702), (226, 969003), (339, 646002), (378, 579351), (567, 386234), (678, 323001), (791, 276858), (1017, 215334), (1134, 193117), (1582, 138429), (1709, 128142), (2034, 107667), (2373, 92286), (3051, 71778), (3418, 64071), (4746, 46143), (5127, 42714), (6102, 35889), (7119, 30762), (9153, 23926), (10254, 21357), (11963, 18306), (14238, 15381)]