17640742

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 31477824

約数和(自身を除く): 13837082

約数列:

[1, 2, 7, 14, 41, 73, 82, 146, 287, 421, 511, 574, 842, 1022, 2947, 2993, 5894, 5986, 17261, 20951, 30733, 34522, 41902, 61466, 120827, 215131, 241654, 430262, 1260053, 2520106, 8820371, 17640742]

約数ペア:

[(1, 17640742), (2, 8820371), (7, 2520106), (14, 1260053), (41, 430262), (73, 241654), (82, 215131), (146, 120827), (287, 61466), (421, 41902), (511, 34522), (574, 30733), (842, 20951), (1022, 17261), (2947, 5986), (2993, 5894)]