1388785384

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{125887}}^1$

素因数の和:126097

約数の個数: 32

約数和(自身を含む): 2991098880

約数和(自身を除く): 1602313496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 2758, 5516, 11032, 125887, 251774, 503548, 881209, 1007096, 1762418, 3524836, 7049672, 24799739, 49599478, 99198956, 173598173, 198397912, 347196346, 694392692, 1388785384]

約数ペア:

[(1, 1388785384), (2, 694392692), (4, 347196346), (7, 198397912), (8, 173598173), (14, 99198956), (28, 49599478), (56, 24799739), (197, 7049672), (394, 3524836), (788, 1762418), (1379, 1007096), (1576, 881209), (2758, 503548), (5516, 251774), (11032, 125887)]