56821457

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{38839}}^1$

素因数の和:38876

約数の個数: 16

約数和(自身を含む): 74572800

約数和(自身を除く): 17751343

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 38839, 271873, 427229, 737941, 2990603, 5165587, 8117351, 56821457]

約数ペア:

[(1, 56821457), (7, 8117351), (11, 5165587), (19, 2990603), (77, 737941), (133, 427229), (209, 271873), (1463, 38839)]