191457889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 237530880

約数和(自身を除く): 46072991

約数列:

[1, 7, 19, 53, 133, 157, 173, 371, 1007, 1099, 1211, 2983, 3287, 7049, 8321, 9169, 20881, 23009, 27161, 58247, 64183, 158099, 174211, 190127, 516059, 1106693, 1219477, 1439533, 3612413, 10076731, 27351127, 191457889]

約数ペア:

[(1, 191457889), (7, 27351127), (19, 10076731), (53, 3612413), (133, 1439533), (157, 1219477), (173, 1106693), (371, 516059), (1007, 190127), (1099, 174211), (1211, 158099), (2983, 64183), (3287, 58247), (7049, 27161), (8321, 23009), (9169, 20881)]