388334737

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2683}}^1$

素因数の和:2773

約数の個数: 32

約数和(自身を含む): 494714880

約数和(自身を除く): 106380143

約数列:

[1, 7, 23, 29, 31, 161, 203, 217, 667, 713, 899, 2683, 4669, 4991, 6293, 18781, 20677, 61709, 77807, 83173, 144739, 431963, 544649, 582211, 1789561, 1912979, 2412017, 12526927, 13390853, 16884119, 55476391, 388334737]

約数ペア:

[(1, 388334737), (7, 55476391), (23, 16884119), (29, 13390853), (31, 12526927), (161, 2412017), (203, 1912979), (217, 1789561), (667, 582211), (713, 544649), (899, 431963), (2683, 144739), (4669, 83173), (4991, 77807), (6293, 61709), (18781, 20677)]