990699745

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1\times {\mathrm{673}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 1375089408

約数和(自身を除く): 384389663

約数列:

[1, 5, 7, 35, 137, 307, 673, 685, 959, 1535, 2149, 3365, 4711, 4795, 10745, 23555, 42059, 92201, 206611, 210295, 294413, 461005, 645407, 1033055, 1446277, 1472065, 3227035, 7231385, 28305707, 141528535, 198139949, 990699745]

約数ペア:

[(1, 990699745), (5, 198139949), (7, 141528535), (35, 28305707), (137, 7231385), (307, 3227035), (673, 1472065), (685, 1446277), (959, 1033055), (1535, 645407), (2149, 461005), (3365, 294413), (4711, 210295), (4795, 206611), (10745, 92201), (23555, 42059)]