508719421

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 619200000

約数和(自身を除く): 110480579

約数列:

[1, 7, 29, 49, 199, 203, 257, 343, 1393, 1421, 1799, 5771, 7453, 9751, 9947, 12593, 40397, 51143, 52171, 68257, 88151, 282779, 358001, 365197, 1483147, 1979453, 2506007, 2556379, 10382029, 17542049, 72674203, 508719421]

約数ペア:

[(1, 508719421), (7, 72674203), (29, 17542049), (49, 10382029), (199, 2556379), (203, 2506007), (257, 1979453), (343, 1483147), (1393, 365197), (1421, 358001), (1799, 282779), (5771, 88151), (7453, 68257), (9751, 52171), (9947, 51143), (12593, 40397)]