71144975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:872

約数の個数: 36

約数和(自身を含む): 100436280

約数和(自身を除く): 29291305

約数列:

[1, 5, 11, 25, 29, 55, 121, 145, 275, 319, 605, 725, 811, 1595, 3025, 3509, 4055, 7975, 8921, 17545, 20275, 23519, 44605, 87725, 98131, 117595, 223025, 258709, 490655, 587975, 1293545, 2453275, 2845799, 6467725, 14228995, 71144975]

約数ペア:

[(1, 71144975), (5, 14228995), (11, 6467725), (25, 2845799), (29, 2453275), (55, 1293545), (121, 587975), (145, 490655), (275, 258709), (319, 223025), (605, 117595), (725, 98131), (811, 87725), (1595, 44605), (3025, 23519), (3509, 20275), (4055, 17545), (7975, 8921)]