1821008

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:315

約数の個数: 40

約数和(自身を含む): 4106880

約数和(自身を除く): 2285872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 229, 284, 458, 497, 568, 916, 994, 1136, 1603, 1832, 1988, 3206, 3664, 3976, 6412, 7952, 12824, 16259, 25648, 32518, 65036, 113813, 130072, 227626, 260144, 455252, 910504, 1821008]

約数ペア:

[(1, 1821008), (2, 910504), (4, 455252), (7, 260144), (8, 227626), (14, 130072), (16, 113813), (28, 65036), (56, 32518), (71, 25648), (112, 16259), (142, 12824), (229, 7952), (284, 6412), (458, 3976), (497, 3664), (568, 3206), (916, 1988), (994, 1832), (1136, 1603)]