389905348

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{68597}}^1$

素因数の和:68644

約数の個数: 36

約数和(自身を含む): 821118060

約数和(自身を除く): 431212712

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 5684, 68597, 137194, 274388, 480179, 960358, 1920716, 1989313, 3361253, 3978626, 6722506, 7957252, 13445012, 13925191, 27850382, 55700764, 97476337, 194952674, 389905348]

約数ペア:

[(1, 389905348), (2, 194952674), (4, 97476337), (7, 55700764), (14, 27850382), (28, 13925191), (29, 13445012), (49, 7957252), (58, 6722506), (98, 3978626), (116, 3361253), (196, 1989313), (203, 1920716), (406, 960358), (812, 480179), (1421, 274388), (2842, 137194), (5684, 68597)]