72981559

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{2551}}^1$

素因数の和:2686

約数の個数: 16

約数和(自身を含む): 86073856

約数和(自身を除く): 13092297

約数列:

[1, 7, 61, 67, 427, 469, 2551, 4087, 17857, 28609, 155611, 170917, 1089277, 1196419, 10425937, 72981559]

約数ペア:

[(1, 72981559), (7, 10425937), (61, 1196419), (67, 1089277), (427, 170917), (469, 155611), (2551, 28609), (4087, 17857)]