2778402

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 6320160

約数和(自身を除く): 3541758

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 89, 121, 129, 178, 242, 258, 267, 363, 473, 534, 726, 946, 979, 1419, 1958, 2838, 2937, 3827, 5203, 5874, 7654, 10406, 10769, 11481, 15609, 21538, 22962, 31218, 32307, 42097, 64614, 84194, 126291, 252582, 463067, 926134, 1389201, 2778402]

約数ペア:

[(1, 2778402), (2, 1389201), (3, 926134), (6, 463067), (11, 252582), (22, 126291), (33, 84194), (43, 64614), (66, 42097), (86, 32307), (89, 31218), (121, 22962), (129, 21538), (178, 15609), (242, 11481), (258, 10769), (267, 10406), (363, 7654), (473, 5874), (534, 5203), (726, 3827), (946, 2937), (979, 2838), (1419, 1958)]