208541245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1013}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 289111680

約数和(自身を除く): 80570435

約数列:

[1, 5, 11, 19, 55, 95, 197, 209, 985, 1013, 1045, 2167, 3743, 5065, 10835, 11143, 18715, 19247, 41173, 55715, 96235, 199561, 205865, 211717, 997805, 1058585, 2195171, 3791659, 10975855, 18958295, 41708249, 208541245]

約数ペア:

[(1, 208541245), (5, 41708249), (11, 18958295), (19, 10975855), (55, 3791659), (95, 2195171), (197, 1058585), (209, 997805), (985, 211717), (1013, 205865), (1045, 199561), (2167, 96235), (3743, 55715), (5065, 41173), (10835, 19247), (11143, 18715)]