12778724

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 26611200

約数和(自身を除く): 13832476

約数列:

[1, 2, 4, 7, 14, 28, 53, 79, 106, 109, 158, 212, 218, 316, 371, 436, 553, 742, 763, 1106, 1484, 1526, 2212, 3052, 4187, 5777, 8374, 8611, 11554, 16748, 17222, 23108, 29309, 34444, 40439, 58618, 60277, 80878, 117236, 120554, 161756, 241108, 456383, 912766, 1825532, 3194681, 6389362, 12778724]

約数ペア:

[(1, 12778724), (2, 6389362), (4, 3194681), (7, 1825532), (14, 912766), (28, 456383), (53, 241108), (79, 161756), (106, 120554), (109, 117236), (158, 80878), (212, 60277), (218, 58618), (316, 40439), (371, 34444), (436, 29309), (553, 23108), (742, 17222), (763, 16748), (1106, 11554), (1484, 8611), (1526, 8374), (2212, 5777), (3052, 4187)]