71777965

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 103530240

約数和(自身を除く): 31752275

約数列:

[1, 5, 7, 35, 37, 43, 185, 215, 259, 301, 1289, 1295, 1505, 1591, 6445, 7955, 9023, 11137, 45115, 47693, 55427, 55685, 238465, 277135, 333851, 387989, 1669255, 1939945, 2050799, 10253995, 14355593, 71777965]

約数ペア:

[(1, 71777965), (5, 14355593), (7, 10253995), (35, 2050799), (37, 1939945), (43, 1669255), (185, 387989), (215, 333851), (259, 277135), (301, 238465), (1289, 55685), (1295, 55427), (1505, 47693), (1591, 45115), (6445, 11137), (7955, 9023)]