25425556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 49984704

約数和(自身を除く): 24559148

約数列:

[1, 2, 4, 13, 26, 43, 52, 83, 86, 137, 166, 172, 274, 332, 548, 559, 1079, 1118, 1781, 2158, 2236, 3562, 3569, 4316, 5891, 7124, 7138, 11371, 11782, 14276, 22742, 23564, 45484, 46397, 76583, 92794, 147823, 153166, 185588, 295646, 306332, 488953, 591292, 977906, 1955812, 6356389, 12712778, 25425556]

約数ペア:

[(1, 25425556), (2, 12712778), (4, 6356389), (13, 1955812), (26, 977906), (43, 591292), (52, 488953), (83, 306332), (86, 295646), (137, 185588), (166, 153166), (172, 147823), (274, 92794), (332, 76583), (548, 46397), (559, 45484), (1079, 23564), (1118, 22742), (1781, 14276), (2158, 11782), (2236, 11371), (3562, 7138), (3569, 7124), (4316, 5891)]