12988425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 23248512

約数和(自身を除く): 10260087

約数列:

[1, 3, 5, 15, 17, 25, 51, 61, 75, 85, 167, 183, 255, 305, 425, 501, 835, 915, 1037, 1275, 1525, 2505, 2839, 3111, 4175, 4575, 5185, 8517, 10187, 12525, 14195, 15555, 25925, 30561, 42585, 50935, 70975, 77775, 152805, 173179, 212925, 254675, 519537, 764025, 865895, 2597685, 4329475, 12988425]

約数ペア:

[(1, 12988425), (3, 4329475), (5, 2597685), (15, 865895), (17, 764025), (25, 519537), (51, 254675), (61, 212925), (75, 173179), (85, 152805), (167, 77775), (183, 70975), (255, 50935), (305, 42585), (425, 30561), (501, 25925), (835, 15555), (915, 14195), (1037, 12525), (1275, 10187), (1525, 8517), (2505, 5185), (2839, 4575), (3111, 4175)]