68915525

素因数分解:

$5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1999}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 98208000

約数和(自身を除く): 29292475

約数列:

[1, 5, 7, 25, 35, 175, 197, 985, 1379, 1999, 4925, 6895, 9995, 13993, 34475, 49975, 69965, 349825, 393803, 1969015, 2756621, 9845075, 13783105, 68915525]

約数ペア:

[(1, 68915525), (5, 13783105), (7, 9845075), (25, 2756621), (35, 1969015), (175, 393803), (197, 349825), (985, 69965), (1379, 49975), (1999, 34475), (4925, 13993), (6895, 9995)]