131790318

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:601

約数の個数: 64

約数和(自身を含む): 297851904

約数和(自身を除く): 166061586

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 82, 113, 123, 226, 246, 339, 431, 451, 678, 862, 902, 1243, 1293, 1353, 2486, 2586, 2706, 3729, 4633, 4741, 7458, 9266, 9482, 13899, 14223, 17671, 27798, 28446, 35342, 48703, 50963, 53013, 97406, 101926, 106026, 146109, 152889, 194381, 292218, 305778, 388762, 535733, 583143, 1071466, 1166286, 1607199, 1996823, 3214398, 3993646, 5990469, 11980938, 21965053, 43930106, 65895159, 131790318]

約数ペア:

[(1, 131790318), (2, 65895159), (3, 43930106), (6, 21965053), (11, 11980938), (22, 5990469), (33, 3993646), (41, 3214398), (66, 1996823), (82, 1607199), (113, 1166286), (123, 1071466), (226, 583143), (246, 535733), (339, 388762), (431, 305778), (451, 292218), (678, 194381), (862, 152889), (902, 146109), (1243, 106026), (1293, 101926), (1353, 97406), (2486, 53013), (2586, 50963), (2706, 48703), (3729, 35342), (4633, 28446), (4741, 27798), (7458, 17671), (9266, 14223), (9482, 13899)]