156720473

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{5021}}^1$

素因数の和:5062

約数の個数: 20

約数和(自身を含む): 196932708

約数和(自身を除く): 40212235

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 4459, 5021, 31213, 35147, 65273, 246029, 456911, 1722203, 3198377, 12055421, 22388639, 156720473]

約数ペア:

[(1, 156720473), (7, 22388639), (13, 12055421), (49, 3198377), (91, 1722203), (343, 456911), (637, 246029), (2401, 65273), (4459, 35147), (5021, 31213)]