287424478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1\times {\mathrm{487}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 477146880

約数和(自身を除く): 189722402

約数列:

[1, 2, 11, 22, 139, 193, 278, 386, 487, 974, 1529, 2123, 3058, 4246, 5357, 10714, 26827, 53654, 67693, 93991, 135386, 187982, 295097, 590194, 744623, 1033901, 1489246, 2067802, 13064749, 26129498, 143712239, 287424478]

約数ペア:

[(1, 287424478), (2, 143712239), (11, 26129498), (22, 13064749), (139, 2067802), (193, 1489246), (278, 1033901), (386, 744623), (487, 590194), (974, 295097), (1529, 187982), (2123, 135386), (3058, 93991), (4246, 67693), (5357, 53654), (10714, 26827)]