189913724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47431}}^1$

素因数の和:47466

約数の個数: 48

約数和(自身を含む): 446240256

約数和(自身を除く): 256326532

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 47431, 94862, 189724, 332017, 521741, 616603, 664034, 1043482, 1233206, 1328068, 2086964, 2466412, 3652187, 4316221, 6782633, 7304374, 8632442, 13565266, 14608748, 17264884, 27130532, 47478431, 94956862, 189913724]

約数ペア:

[(1, 189913724), (2, 94956862), (4, 47478431), (7, 27130532), (11, 17264884), (13, 14608748), (14, 13565266), (22, 8632442), (26, 7304374), (28, 6782633), (44, 4316221), (52, 3652187), (77, 2466412), (91, 2086964), (143, 1328068), (154, 1233206), (182, 1043482), (286, 664034), (308, 616603), (364, 521741), (572, 332017), (1001, 189724), (2002, 94862), (4004, 47431)]