28090132

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{397}}^1$

素因数の和:453

約数の個数: 54

約数和(自身を含む): 60503562

約数和(自身を除く): 32413430

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 361, 397, 532, 722, 794, 931, 1444, 1588, 1862, 2527, 2779, 3724, 5054, 5558, 7543, 10108, 11116, 15086, 17689, 19453, 30172, 35378, 38906, 52801, 70756, 77812, 105602, 143317, 211204, 286634, 369607, 573268, 739214, 1003219, 1478428, 2006438, 4012876, 7022533, 14045066, 28090132]

約数ペア:

[(1, 28090132), (2, 14045066), (4, 7022533), (7, 4012876), (14, 2006438), (19, 1478428), (28, 1003219), (38, 739214), (49, 573268), (76, 369607), (98, 286634), (133, 211204), (196, 143317), (266, 105602), (361, 77812), (397, 70756), (532, 52801), (722, 38906), (794, 35378), (931, 30172), (1444, 19453), (1588, 17689), (1862, 15086), (2527, 11116), (2779, 10108), (3724, 7543), (5054, 5558)]