641511365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{10169}}^1$

素因数の和:10253

約数の個数: 32

約数和(自身を含む): 890403840

約数和(自身を除く): 248892475

約数列:

[1, 5, 11, 31, 37, 55, 155, 185, 341, 407, 1147, 1705, 2035, 5735, 10169, 12617, 50845, 63085, 111859, 315239, 376253, 559295, 1576195, 1881265, 3467629, 4138783, 11663843, 17338145, 20693915, 58319215, 128302273, 641511365]

約数ペア:

[(1, 641511365), (5, 128302273), (11, 58319215), (31, 20693915), (37, 17338145), (55, 11663843), (155, 4138783), (185, 3467629), (341, 1881265), (407, 1576195), (1147, 559295), (1705, 376253), (2035, 315239), (5735, 111859), (10169, 63085), (12617, 50845)]