1388289320852

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1340047607}}^1$

素因数の和:1340047655

約数の個数: 24

約数和(自身を含む): 2851621309824

約数和(自身を除く): 1463331988972

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 1340047607, 2680095214, 5360190428, 9380333249, 18760666498, 37521332996, 49581761459, 99163522918, 198327045836, 347072330213, 694144660426, 1388289320852]

約数ペア:

[(1, 1388289320852), (2, 694144660426), (4, 347072330213), (7, 198327045836), (14, 99163522918), (28, 49581761459), (37, 37521332996), (74, 18760666498), (148, 9380333249), (259, 5360190428), (518, 2680095214), (1036, 1340047607)]