221707084705

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{2729}}^1\times {\mathrm{345707}}^1$

素因数の和:348488

約数の個数: 16

約数和(自身を含む): 271809457920

約数和(自身を除く): 50102373215

約数列:

[1, 5, 47, 235, 2729, 13645, 128263, 345707, 641315, 1728535, 16248229, 81241145, 943434403, 4717172015, 44341416941, 221707084705]

約数ペア:

[(1, 221707084705), (5, 44341416941), (47, 4717172015), (235, 943434403), (2729, 81241145), (13645, 16248229), (128263, 1728535), (345707, 641315)]