65570275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 91119168

約数和(自身を除く): 25548893

約数列:

[1, 5, 17, 25, 41, 53, 71, 85, 205, 265, 355, 425, 697, 901, 1025, 1207, 1325, 1775, 2173, 2911, 3485, 3763, 4505, 6035, 10865, 14555, 17425, 18815, 22525, 30175, 36941, 49487, 54325, 63971, 72775, 94075, 154283, 184705, 247435, 319855, 771415, 923525, 1237175, 1599275, 2622811, 3857075, 13114055, 65570275]

約数ペア:

[(1, 65570275), (5, 13114055), (17, 3857075), (25, 2622811), (41, 1599275), (53, 1237175), (71, 923525), (85, 771415), (205, 319855), (265, 247435), (355, 184705), (425, 154283), (697, 94075), (901, 72775), (1025, 63971), (1207, 54325), (1325, 49487), (1775, 36941), (2173, 30175), (2911, 22525), (3485, 18815), (3763, 17425), (4505, 14555), (6035, 10865)]