178841221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{797}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 198012528

約数和(自身を除く): 19171307

約数列:

[1, 13, 41, 421, 533, 797, 5473, 10361, 17261, 32677, 224393, 335537, 424801, 4361981, 13757017, 178841221]

約数ペア:

[(1, 178841221), (13, 13757017), (41, 4361981), (421, 424801), (533, 335537), (797, 224393), (5473, 32677), (10361, 17261)]