201923615

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 259766784

約数和(自身を除く): 57843169

約数列:

[1, 5, 31, 37, 137, 155, 185, 257, 685, 1147, 1285, 4247, 5069, 5735, 7967, 9509, 21235, 25345, 35209, 39835, 47545, 157139, 176045, 294779, 785695, 1091479, 1302733, 1473895, 5457395, 6513665, 40384723, 201923615]

約数ペア:

[(1, 201923615), (5, 40384723), (31, 6513665), (37, 5457395), (137, 1473895), (155, 1302733), (185, 1091479), (257, 785695), (685, 294779), (1147, 176045), (1285, 157139), (4247, 47545), (5069, 39835), (5735, 35209), (7967, 25345), (9509, 21235)]