1215693895

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 1626181920

約数和(自身を除く): 410488025

約数列:

[1, 5, 13, 65, 67, 109, 169, 197, 335, 545, 845, 871, 985, 1417, 2561, 4355, 7085, 7303, 11323, 12805, 13199, 18421, 21473, 33293, 36515, 56615, 65995, 92105, 94939, 107365, 166465, 171587, 279149, 474695, 857935, 1234207, 1395745, 1438691, 2230631, 3628937, 6171035, 7193455, 11153155, 18144685, 18702983, 93514915, 243138779, 1215693895]

約数ペア:

[(1, 1215693895), (5, 243138779), (13, 93514915), (65, 18702983), (67, 18144685), (109, 11153155), (169, 7193455), (197, 6171035), (335, 3628937), (545, 2230631), (845, 1438691), (871, 1395745), (985, 1234207), (1417, 857935), (2561, 474695), (4355, 279149), (7085, 171587), (7303, 166465), (11323, 107365), (12805, 94939), (13199, 92105), (18421, 65995), (21473, 56615), (33293, 36515)]