1385336888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{20399}}^1$

素因数の和:21071

約数の個数: 32

約数和(自身を含む): 2801736000

約数和(自身を除く): 1416399112

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 653, 1306, 2612, 5224, 8489, 16978, 20399, 33956, 40798, 67912, 81596, 163192, 265187, 530374, 1060748, 2121496, 13320547, 26641094, 53282188, 106564376, 173167111, 346334222, 692668444, 1385336888]

約数ペア:

[(1, 1385336888), (2, 692668444), (4, 346334222), (8, 173167111), (13, 106564376), (26, 53282188), (52, 26641094), (104, 13320547), (653, 2121496), (1306, 1060748), (2612, 530374), (5224, 265187), (8489, 163192), (16978, 81596), (20399, 67912), (33956, 40798)]