1239519995

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{3361}}^1$

素因数の和:3671

約数の個数: 32

約数和(自身を含む): 1748670336

約数和(自身を除く): 509150341

約数列:

[1, 5, 7, 35, 41, 205, 257, 287, 1285, 1435, 1799, 3361, 8995, 10537, 16805, 23527, 52685, 73759, 117635, 137801, 368795, 689005, 863777, 964607, 4318885, 4823035, 6046439, 30232195, 35414857, 177074285, 247903999, 1239519995]

約数ペア:

[(1, 1239519995), (5, 247903999), (7, 177074285), (35, 35414857), (41, 30232195), (205, 6046439), (257, 4823035), (287, 4318885), (1285, 964607), (1435, 863777), (1799, 689005), (3361, 368795), (8995, 137801), (10537, 117635), (16805, 73759), (23527, 52685)]