128607625

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 167042304

約数和(自身を除く): 38434679

約数列:

[1, 5, 25, 43, 71, 125, 215, 337, 355, 1075, 1685, 1775, 3053, 5375, 8425, 8875, 14491, 15265, 23927, 42125, 72455, 76325, 119635, 362275, 381625, 598175, 1028861, 1811375, 2990875, 5144305, 25721525, 128607625]

約数ペア:

[(1, 128607625), (5, 25721525), (25, 5144305), (43, 2990875), (71, 1811375), (125, 1028861), (215, 598175), (337, 381625), (355, 362275), (1075, 119635), (1685, 76325), (1775, 72455), (3053, 42125), (5375, 23927), (8425, 15265), (8875, 14491)]