638901498

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{4629721}}^1$

素因数の和:4629749

約数の個数: 16

約数和(自身を含む): 1333359936

約数和(自身を除く): 694458438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 4629721, 9259442, 13889163, 27778326, 106483583, 212967166, 319450749, 638901498]

約数ペア:

[(1, 638901498), (2, 319450749), (3, 212967166), (6, 106483583), (23, 27778326), (46, 13889163), (69, 9259442), (138, 4629721)]