25128964

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4421}}^1$

素因数の和:4468

約数の個数: 36

約数和(自身を含む): 52931340

約数和(自身を除く): 27802376

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 4421, 5684, 8842, 17684, 30947, 61894, 123788, 128209, 216629, 256418, 433258, 512836, 866516, 897463, 1794926, 3589852, 6282241, 12564482, 25128964]

約数ペア:

[(1, 25128964), (2, 12564482), (4, 6282241), (7, 3589852), (14, 1794926), (28, 897463), (29, 866516), (49, 512836), (58, 433258), (98, 256418), (116, 216629), (196, 128209), (203, 123788), (406, 61894), (812, 30947), (1421, 17684), (2842, 8842), (4421, 5684)]