216718537

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{20143}}^1$

素因数の和:20232

約数の個数: 16

約数和(自身を含む): 261066240

約数和(自身を除く): 44347703

約数列:

[1, 7, 29, 53, 203, 371, 1537, 10759, 20143, 141001, 584147, 1067579, 4089029, 7473053, 30959791, 216718537]

約数ペア:

[(1, 216718537), (7, 30959791), (29, 7473053), (53, 4089029), (203, 1067579), (371, 584147), (1537, 141001), (10759, 20143)]