161893067

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 201523200

約数和(自身を除く): 39630133

約数列:

[1, 7, 23, 31, 161, 163, 199, 217, 713, 1141, 1393, 3749, 4577, 4991, 5053, 6169, 26243, 32039, 32437, 35371, 43183, 116219, 141887, 227059, 746051, 813533, 993209, 1005547, 5222357, 7038829, 23127581, 161893067]

約数ペア:

[(1, 161893067), (7, 23127581), (23, 7038829), (31, 5222357), (161, 1005547), (163, 993209), (199, 813533), (217, 746051), (713, 227059), (1141, 141887), (1393, 116219), (3749, 43183), (4577, 35371), (4991, 32437), (5053, 32039), (6169, 26243)]