890358245

素因数分解:

$5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{929}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 1237420800

約数和(自身を除く): 347062555

約数列:

[1, 5, 7, 35, 139, 197, 695, 929, 973, 985, 1379, 4645, 4865, 6503, 6895, 27383, 32515, 129131, 136915, 183013, 191681, 645655, 903917, 915065, 958405, 1281091, 4519585, 6405455, 25438807, 127194035, 178071649, 890358245]

約数ペア:

[(1, 890358245), (5, 178071649), (7, 127194035), (35, 25438807), (139, 6405455), (197, 4519585), (695, 1281091), (929, 958405), (973, 915065), (985, 903917), (1379, 645655), (4645, 191681), (4865, 183013), (6503, 136915), (6895, 129131), (27383, 32515)]