72878021

素因数分解:

${\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 76422528

約数和(自身を除く): 3544507

約数列:

[1, 53, 71, 107, 181, 3763, 5671, 7597, 9593, 12851, 19367, 402641, 681103, 1026451, 1375057, 72878021]

約数ペア:

[(1, 72878021), (53, 1375057), (71, 1026451), (107, 681103), (181, 402641), (3763, 19367), (5671, 12851), (7597, 9593)]