1256339945

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{60943}}^1$

素因数の和:61005

約数の個数: 32

約数和(自身を含む): 1872199680

約数和(自身を除く): 615859735

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 2945, 4123, 20615, 60943, 304715, 426601, 1157917, 1889233, 2133005, 5789585, 8105419, 9446165, 13224631, 35895427, 40527095, 66123155, 179477135, 251267989, 1256339945]

約数ペア:

[(1, 1256339945), (5, 251267989), (7, 179477135), (19, 66123155), (31, 40527095), (35, 35895427), (95, 13224631), (133, 9446165), (155, 8105419), (217, 5789585), (589, 2133005), (665, 1889233), (1085, 1157917), (2945, 426601), (4123, 304715), (20615, 60943)]