987564025

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 1427587200

約数和(自身を除く): 440023175

約数列:

[1, 5, 7, 25, 35, 89, 163, 175, 389, 445, 623, 815, 1141, 1945, 2225, 2723, 3115, 4075, 5705, 9725, 13615, 14507, 15575, 28525, 34621, 63407, 68075, 72535, 101549, 173105, 242347, 317035, 362675, 443849, 507745, 865525, 1211735, 1585175, 2219245, 2538725, 5643223, 6058675, 11096225, 28216115, 39502561, 141080575, 197512805, 987564025]

約数ペア:

[(1, 987564025), (5, 197512805), (7, 141080575), (25, 39502561), (35, 28216115), (89, 11096225), (163, 6058675), (175, 5643223), (389, 2538725), (445, 2219245), (623, 1585175), (815, 1211735), (1141, 865525), (1945, 507745), (2225, 443849), (2723, 362675), (3115, 317035), (4075, 242347), (5705, 173105), (9725, 101549), (13615, 72535), (14507, 68075), (15575, 63407), (28525, 34621)]