1280755

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 32

約数和(自身を含む): 1926144

約数和(自身を除く): 645389

約数列:

[1, 5, 7, 23, 35, 37, 43, 115, 161, 185, 215, 259, 301, 805, 851, 989, 1295, 1505, 1591, 4255, 4945, 5957, 6923, 7955, 11137, 29785, 34615, 36593, 55685, 182965, 256151, 1280755]

約数ペア:

[(1, 1280755), (5, 256151), (7, 182965), (23, 55685), (35, 36593), (37, 34615), (43, 29785), (115, 11137), (161, 7955), (185, 6923), (215, 5957), (259, 4945), (301, 4255), (805, 1591), (851, 1505), (989, 1295)]