2009403908

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{809}}^1\times {\mathrm{6977}}^1$

素因数の和:7879

約数の個数: 24

約数和(自身を含む): 3560873400

約数和(自身を除く): 1551469492

約数列:

[1, 2, 4, 89, 178, 356, 809, 1618, 3236, 6977, 13954, 27908, 72001, 144002, 288004, 620953, 1241906, 2483812, 5644393, 11288786, 22577572, 502350977, 1004701954, 2009403908]

約数ペア:

[(1, 2009403908), (2, 1004701954), (4, 502350977), (89, 22577572), (178, 11288786), (356, 5644393), (809, 2483812), (1618, 1241906), (3236, 620953), (6977, 288004), (13954, 144002), (27908, 72001)]