198527329

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8623}}^1$

素因数の和:8677

約数の個数: 32

約数和(自身を含む): 278175744

約数和(自身を除く): 79648415

約数列:

[1, 7, 11, 13, 23, 77, 91, 143, 161, 253, 299, 1001, 1771, 2093, 3289, 8623, 23023, 60361, 94853, 112099, 198329, 663971, 784693, 1233089, 1388303, 2181619, 2578277, 8631623, 15271333, 18047939, 28361047, 198527329]

約数ペア:

[(1, 198527329), (7, 28361047), (11, 18047939), (13, 15271333), (23, 8631623), (77, 2578277), (91, 2181619), (143, 1388303), (161, 1233089), (253, 784693), (299, 663971), (1001, 198329), (1771, 112099), (2093, 94853), (3289, 60361), (8623, 23023)]