25807852

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 54880000

約数和(自身を除く): 29072148

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 139, 266, 278, 349, 532, 556, 698, 973, 1396, 1946, 2443, 2641, 3892, 4886, 5282, 6631, 9772, 10564, 13262, 18487, 26524, 36974, 46417, 48511, 73948, 92834, 97022, 185668, 194044, 339577, 679154, 921709, 1358308, 1843418, 3686836, 6451963, 12903926, 25807852]

約数ペア:

[(1, 25807852), (2, 12903926), (4, 6451963), (7, 3686836), (14, 1843418), (19, 1358308), (28, 921709), (38, 679154), (76, 339577), (133, 194044), (139, 185668), (266, 97022), (278, 92834), (349, 73948), (532, 48511), (556, 46417), (698, 36974), (973, 26524), (1396, 18487), (1946, 13262), (2443, 10564), (2641, 9772), (3892, 6631), (4886, 5282)]