77891828

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{39181}}^1$

素因数の和:39263

約数の個数: 24

約数和(自身を含む): 157981824

約数和(自身を除く): 80089996

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 39181, 78362, 156724, 274267, 548534, 1097068, 2781851, 5563702, 11127404, 19472957, 38945914, 77891828]

約数ペア:

[(1, 77891828), (2, 38945914), (4, 19472957), (7, 11127404), (14, 5563702), (28, 2781851), (71, 1097068), (142, 548534), (284, 274267), (497, 156724), (994, 78362), (1988, 39181)]