133512860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{513511}}^1$

素因数の和:513533

約数の個数: 24

約数和(自身を含む): 301945056

約数和(自身を除く): 168432196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 513511, 1027022, 2054044, 2567555, 5135110, 6675643, 10270220, 13351286, 26702572, 33378215, 66756430, 133512860]

約数ペア:

[(1, 133512860), (2, 66756430), (4, 33378215), (5, 26702572), (10, 13351286), (13, 10270220), (20, 6675643), (26, 5135110), (52, 2567555), (65, 2054044), (130, 1027022), (260, 513511)]