987805825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 1346538816

約数和(自身を除く): 358732991

約数列:

[1, 5, 17, 25, 41, 83, 85, 205, 415, 425, 683, 697, 1025, 1411, 2075, 3403, 3415, 3485, 7055, 11611, 17015, 17075, 17425, 28003, 35275, 56689, 57851, 58055, 85075, 140015, 283445, 289255, 290275, 476051, 700075, 963713, 1417225, 1446275, 2324249, 2380255, 4818565, 11621245, 11901275, 24092825, 39512233, 58106225, 197561165, 987805825]

約数ペア:

[(1, 987805825), (5, 197561165), (17, 58106225), (25, 39512233), (41, 24092825), (83, 11901275), (85, 11621245), (205, 4818565), (415, 2380255), (425, 2324249), (683, 1446275), (697, 1417225), (1025, 963713), (1411, 700075), (2075, 476051), (3403, 290275), (3415, 289255), (3485, 283445), (7055, 140015), (11611, 85075), (17015, 58055), (17075, 57851), (17425, 56689), (28003, 35275)]