207912712

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{16649}}^1$

素因数の和:16885

約数の個数: 32

約数和(自身を含む): 447552000

約数和(自身を除く): 239639288

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1784, 3122, 6244, 12488, 16649, 33298, 66596, 116543, 133192, 233086, 466172, 932344, 3712727, 7425454, 14850908, 25989089, 29701816, 51978178, 103956356, 207912712]

約数ペア:

[(1, 207912712), (2, 103956356), (4, 51978178), (7, 29701816), (8, 25989089), (14, 14850908), (28, 7425454), (56, 3712727), (223, 932344), (446, 466172), (892, 233086), (1561, 133192), (1784, 116543), (3122, 66596), (6244, 33298), (12488, 16649)]