12728958

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 28440720

約数和(自身を除く): 15711762

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 121, 178, 197, 242, 267, 363, 394, 534, 591, 726, 979, 1182, 1958, 2167, 2937, 4334, 5874, 6501, 10769, 13002, 17533, 21538, 23837, 32307, 35066, 47674, 52599, 64614, 71511, 105198, 143022, 192863, 385726, 578589, 1157178, 2121493, 4242986, 6364479, 12728958]

約数ペア:

[(1, 12728958), (2, 6364479), (3, 4242986), (6, 2121493), (11, 1157178), (22, 578589), (33, 385726), (66, 192863), (89, 143022), (121, 105198), (178, 71511), (197, 64614), (242, 52599), (267, 47674), (363, 35066), (394, 32307), (534, 23837), (591, 21538), (726, 17533), (979, 13002), (1182, 10769), (1958, 6501), (2167, 5874), (2937, 4334)]