25855732

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 56881440

約数和(自身を除く): 31025708

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 53, 76, 98, 106, 131, 133, 196, 212, 262, 266, 371, 524, 532, 742, 917, 931, 1007, 1484, 1834, 1862, 2014, 2489, 2597, 3668, 3724, 4028, 4978, 5194, 6419, 6943, 7049, 9956, 10388, 12838, 13886, 14098, 17423, 25676, 27772, 28196, 34846, 48601, 49343, 69692, 97202, 98686, 121961, 131917, 194404, 197372, 243922, 263834, 340207, 487844, 527668, 680414, 923419, 1360828, 1846838, 3693676, 6463933, 12927866, 25855732]

約数ペア:

[(1, 25855732), (2, 12927866), (4, 6463933), (7, 3693676), (14, 1846838), (19, 1360828), (28, 923419), (38, 680414), (49, 527668), (53, 487844), (76, 340207), (98, 263834), (106, 243922), (131, 197372), (133, 194404), (196, 131917), (212, 121961), (262, 98686), (266, 97202), (371, 69692), (524, 49343), (532, 48601), (742, 34846), (917, 28196), (931, 27772), (1007, 25676), (1484, 17423), (1834, 14098), (1862, 13886), (2014, 12838), (2489, 10388), (2597, 9956), (3668, 7049), (3724, 6943), (4028, 6419), (4978, 5194)]