72249947

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 91431648

約数和(自身を除く): 19181701

約数列:

[1, 7, 11, 77, 121, 197, 433, 847, 1379, 2167, 3031, 4763, 15169, 23837, 33341, 52393, 85301, 166859, 366751, 597107, 938311, 6568177, 10321421, 72249947]

約数ペア:

[(1, 72249947), (7, 10321421), (11, 6568177), (77, 938311), (121, 597107), (197, 366751), (433, 166859), (847, 85301), (1379, 52393), (2167, 33341), (3031, 23837), (4763, 15169)]