138728525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 196904064

約数和(自身を除く): 58175539

約数列:

[1, 5, 13, 23, 25, 65, 67, 115, 277, 299, 325, 335, 575, 871, 1385, 1495, 1541, 1675, 3601, 4355, 6371, 6925, 7475, 7705, 18005, 18559, 20033, 21775, 31855, 38525, 82823, 90025, 92795, 100165, 159275, 241267, 414115, 426857, 463975, 500825, 1206335, 2070575, 2134285, 5549141, 6031675, 10671425, 27745705, 138728525]

約数ペア:

[(1, 138728525), (5, 27745705), (13, 10671425), (23, 6031675), (25, 5549141), (65, 2134285), (67, 2070575), (115, 1206335), (277, 500825), (299, 463975), (325, 426857), (335, 414115), (575, 241267), (871, 159275), (1385, 100165), (1495, 92795), (1541, 90025), (1675, 82823), (3601, 38525), (4355, 31855), (6371, 21775), (6925, 20033), (7475, 18559), (7705, 18005)]