198657361

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{2029}}^1$

素因数の和:2304

約数の個数: 16

約数和(自身を含む): 231517440

約数和(自身を除く): 32860079

約数列:

[1, 7, 71, 197, 497, 1379, 2029, 13987, 14203, 97909, 144059, 399713, 1008413, 2797991, 28379623, 198657361]

約数ペア:

[(1, 198657361), (7, 28379623), (71, 2797991), (197, 1008413), (497, 399713), (1379, 144059), (2029, 97909), (13987, 14203)]