686378434

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{4363}}^1$

素因数の和:5050

約数の個数: 32

約数和(自身を含む): 1248034176

約数和(自身を除く): 561655742

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 661, 1322, 4363, 4627, 8726, 9254, 11237, 22474, 30541, 61082, 74171, 78659, 148342, 157318, 519197, 1038394, 2883943, 5767886, 20187601, 40375202, 49027031, 98054062, 343189217, 686378434]

約数ペア:

[(1, 686378434), (2, 343189217), (7, 98054062), (14, 49027031), (17, 40375202), (34, 20187601), (119, 5767886), (238, 2883943), (661, 1038394), (1322, 519197), (4363, 157318), (4627, 148342), (8726, 78659), (9254, 74171), (11237, 61082), (22474, 30541)]