1389238502

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{3229}}^1$

素因数の和:3500

約数の個数: 32

約数和(自身を含む): 2232576000

約数和(自身を除く): 843337498

約数列:

[1, 2, 23, 46, 47, 94, 199, 398, 1081, 2162, 3229, 4577, 6458, 9154, 9353, 18706, 74267, 148534, 151763, 215119, 303526, 430238, 642571, 1285142, 3490549, 6981098, 14779133, 29558266, 30200837, 60401674, 694619251, 1389238502]

約数ペア:

[(1, 1389238502), (2, 694619251), (23, 60401674), (46, 30200837), (47, 29558266), (94, 14779133), (199, 6981098), (398, 3490549), (1081, 1285142), (2162, 642571), (3229, 430238), (4577, 303526), (6458, 215119), (9154, 151763), (9353, 148534), (18706, 74267)]