64577888525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{617}}^1\times {\mathrm{643}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 85278541824

約数和(自身を除く): 20700653299

約数列:

[1, 5, 17, 25, 85, 383, 425, 617, 643, 1915, 3085, 3215, 6511, 9575, 10489, 10931, 15425, 16075, 32555, 52445, 54655, 162775, 236311, 246269, 262225, 273275, 396731, 1181555, 1231345, 1983655, 4017287, 4186573, 5907775, 6156725, 6744427, 9918275, 20086435, 20932865, 33722135, 100432175, 104664325, 151947973, 168610675, 759739865, 2583115541, 3798699325, 12915577705, 64577888525]

約数ペア:

[(1, 64577888525), (5, 12915577705), (17, 3798699325), (25, 2583115541), (85, 759739865), (383, 168610675), (425, 151947973), (617, 104664325), (643, 100432175), (1915, 33722135), (3085, 20932865), (3215, 20086435), (6511, 9918275), (9575, 6744427), (10489, 6156725), (10931, 5907775), (15425, 4186573), (16075, 4017287), (32555, 1983655), (52445, 1231345), (54655, 1181555), (162775, 396731), (236311, 273275), (246269, 262225)]