985985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 1596672

約数和(自身を除く): 610687

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 197, 385, 455, 715, 985, 1001, 1379, 2167, 2561, 5005, 6895, 10835, 12805, 15169, 17927, 28171, 75845, 89635, 140855, 197197, 985985]

約数ペア:

[(1, 985985), (5, 197197), (7, 140855), (11, 89635), (13, 75845), (35, 28171), (55, 17927), (65, 15169), (77, 12805), (91, 10835), (143, 6895), (197, 5005), (385, 2561), (455, 2167), (715, 1379), (985, 1001)]