163800455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2293}}^1$

素因数の和:2475

約数の個数: 32

約数和(自身を含む): 243567744

約数和(自身を除く): 79767289

約数列:

[1, 5, 7, 13, 35, 65, 91, 157, 455, 785, 1099, 2041, 2293, 5495, 10205, 11465, 14287, 16051, 29809, 71435, 80255, 149045, 208663, 360001, 1043315, 1800005, 2520007, 4680013, 12600035, 23400065, 32760091, 163800455]

約数ペア:

[(1, 163800455), (5, 32760091), (7, 23400065), (13, 12600035), (35, 4680013), (65, 2520007), (91, 1800005), (157, 1043315), (455, 360001), (785, 208663), (1099, 149045), (2041, 80255), (2293, 71435), (5495, 29809), (10205, 16051), (11465, 14287)]