400090678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{67789}}^1$

素因数の和:68031

約数の個数: 16

約数和(自身を含む): 649157040

約数和(自身を除く): 249066362

約数列:

[1, 2, 13, 26, 227, 454, 2951, 5902, 67789, 135578, 881257, 1762514, 15388103, 30776206, 200045339, 400090678]

約数ペア:

[(1, 400090678), (2, 200045339), (13, 30776206), (26, 15388103), (227, 1762514), (454, 881257), (2951, 135578), (5902, 67789)]