154205905

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1093}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 220550400

約数和(自身を除く): 66344495

約数列:

[1, 5, 7, 29, 35, 139, 145, 203, 695, 973, 1015, 1093, 4031, 4865, 5465, 7651, 20155, 28217, 31697, 38255, 141085, 151927, 158485, 221879, 759635, 1063489, 1109395, 4405883, 5317445, 22029415, 30841181, 154205905]

約数ペア:

[(1, 154205905), (5, 30841181), (7, 22029415), (29, 5317445), (35, 4405883), (139, 1109395), (145, 1063489), (203, 759635), (695, 221879), (973, 158485), (1015, 151927), (1093, 141085), (4031, 38255), (4865, 31697), (5465, 28217), (7651, 20155)]