25213496

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^2$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 60376680

約数和(自身を除く): 35163184

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 61, 77, 88, 121, 122, 154, 242, 244, 308, 427, 484, 488, 616, 671, 847, 854, 968, 1342, 1694, 1708, 2684, 3388, 3416, 3721, 4697, 5368, 6776, 7381, 7442, 9394, 14762, 14884, 18788, 26047, 29524, 29768, 37576, 40931, 51667, 52094, 59048, 81862, 103334, 104188, 163724, 206668, 208376, 286517, 327448, 413336, 450241, 573034, 900482, 1146068, 1800964, 2292136, 3151687, 3601928, 6303374, 12606748, 25213496]

約数ペア:

[(1, 25213496), (2, 12606748), (4, 6303374), (7, 3601928), (8, 3151687), (11, 2292136), (14, 1800964), (22, 1146068), (28, 900482), (44, 573034), (56, 450241), (61, 413336), (77, 327448), (88, 286517), (121, 208376), (122, 206668), (154, 163724), (242, 104188), (244, 103334), (308, 81862), (427, 59048), (484, 52094), (488, 51667), (616, 40931), (671, 37576), (847, 29768), (854, 29524), (968, 26047), (1342, 18788), (1694, 14884), (1708, 14762), (2684, 9394), (3388, 7442), (3416, 7381), (3721, 6776), (4697, 5368)]