198762137

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 241678080

約数和(自身を除く): 42915943

約数列:

[1, 7, 41, 53, 73, 179, 287, 371, 511, 1253, 2173, 2993, 3869, 7339, 9487, 13067, 15211, 20951, 27083, 51373, 66409, 91469, 158629, 388967, 535747, 692551, 1110403, 2722769, 3750229, 4847857, 28394591, 198762137]

約数ペア:

[(1, 198762137), (7, 28394591), (41, 4847857), (53, 3750229), (73, 2722769), (179, 1110403), (287, 692551), (371, 535747), (511, 388967), (1253, 158629), (2173, 91469), (2993, 66409), (3869, 51373), (7339, 27083), (9487, 20951), (13067, 15211)]