399668836

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{967}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 829382400

約数和(自身を除く): 429713564

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 509, 812, 967, 1018, 1934, 2036, 3563, 3868, 6769, 7126, 13538, 14252, 14761, 27076, 28043, 29522, 56086, 59044, 103327, 112172, 196301, 206654, 392602, 413308, 492203, 785204, 984406, 1968812, 3445421, 6890842, 13781684, 14273887, 28547774, 57095548, 99917209, 199834418, 399668836]

約数ペア:

[(1, 399668836), (2, 199834418), (4, 99917209), (7, 57095548), (14, 28547774), (28, 14273887), (29, 13781684), (58, 6890842), (116, 3445421), (203, 1968812), (406, 984406), (509, 785204), (812, 492203), (967, 413308), (1018, 392602), (1934, 206654), (2036, 196301), (3563, 112172), (3868, 103327), (6769, 59044), (7126, 56086), (13538, 29522), (14252, 28043), (14761, 27076)]