8997172225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{2621}}^1$

素因数の和:2886

約数の個数: 48

約数和(自身を含む): 12166940016

約数和(自身を除く): 3169767791

約数列:

[1, 5, 17, 25, 41, 85, 197, 205, 425, 697, 985, 1025, 2621, 3349, 3485, 4925, 8077, 13105, 16745, 17425, 40385, 44557, 65525, 83725, 107461, 137309, 201925, 222785, 516337, 537305, 686545, 1113925, 1826837, 2581685, 2686525, 3432725, 8777729, 9134185, 12908425, 21169817, 43888645, 45670925, 105849085, 219443225, 359886889, 529245425, 1799434445, 8997172225]

約数ペア:

[(1, 8997172225), (5, 1799434445), (17, 529245425), (25, 359886889), (41, 219443225), (85, 105849085), (197, 45670925), (205, 43888645), (425, 21169817), (697, 12908425), (985, 9134185), (1025, 8777729), (2621, 3432725), (3349, 2686525), (3485, 2581685), (4925, 1826837), (8077, 1113925), (13105, 686545), (16745, 537305), (17425, 516337), (40385, 222785), (44557, 201925), (65525, 137309), (83725, 107461)]