1280532

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 3326400

約数和(自身を除く): 2045868

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 109, 132, 178, 218, 267, 327, 356, 436, 534, 654, 979, 1068, 1199, 1308, 1958, 2398, 2937, 3597, 3916, 4796, 5874, 7194, 9701, 11748, 14388, 19402, 29103, 38804, 58206, 106711, 116412, 213422, 320133, 426844, 640266, 1280532]

約数ペア:

[(1, 1280532), (2, 640266), (3, 426844), (4, 320133), (6, 213422), (11, 116412), (12, 106711), (22, 58206), (33, 38804), (44, 29103), (66, 19402), (89, 14388), (109, 11748), (132, 9701), (178, 7194), (218, 5874), (267, 4796), (327, 3916), (356, 3597), (436, 2937), (534, 2398), (654, 1958), (979, 1308), (1068, 1199)]