840905128

素因数分解:

$2^3\times 7^1\times {\mathrm{557}}^1\times {\mathrm{26959}}^1$

素因数の和:27529

約数の個数: 32

約数和(自身を含む): 1805241600

約数和(自身を除く): 964336472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 557, 1114, 2228, 3899, 4456, 7798, 15596, 26959, 31192, 53918, 107836, 188713, 215672, 377426, 754852, 1509704, 15016163, 30032326, 60064652, 105113141, 120129304, 210226282, 420452564, 840905128]

約数ペア:

[(1, 840905128), (2, 420452564), (4, 210226282), (7, 120129304), (8, 105113141), (14, 60064652), (28, 30032326), (56, 15016163), (557, 1509704), (1114, 754852), (2228, 377426), (3899, 215672), (4456, 188713), (7798, 107836), (15596, 53918), (26959, 31192)]