71555533

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 91834752

約数和(自身を除く): 20279219

約数列:

[1, 7, 17, 31, 49, 119, 163, 217, 289, 527, 833, 1141, 1519, 2023, 2771, 3689, 5053, 7987, 8959, 14161, 19397, 25823, 35371, 47107, 62713, 85901, 135779, 247597, 329749, 438991, 601307, 1460317, 2308243, 4209149, 10222219, 71555533]

約数ペア:

[(1, 71555533), (7, 10222219), (17, 4209149), (31, 2308243), (49, 1460317), (119, 601307), (163, 438991), (217, 329749), (289, 247597), (527, 135779), (833, 85901), (1141, 62713), (1519, 47107), (2023, 35371), (2771, 25823), (3689, 19397), (5053, 14161), (7987, 8959)]