261678928

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{18397}}^1$

素因数の和:18539

約数の個数: 40

約数和(自身を含む): 584026112

約数和(自身を除く): 322347184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 14224, 18397, 36794, 73588, 128779, 147176, 257558, 294352, 515116, 1030232, 2060464, 2336419, 4672838, 9345676, 16354933, 18691352, 32709866, 37382704, 65419732, 130839464, 261678928]

約数ペア:

[(1, 261678928), (2, 130839464), (4, 65419732), (7, 37382704), (8, 32709866), (14, 18691352), (16, 16354933), (28, 9345676), (56, 4672838), (112, 2336419), (127, 2060464), (254, 1030232), (508, 515116), (889, 294352), (1016, 257558), (1778, 147176), (2032, 128779), (3556, 73588), (7112, 36794), (14224, 18397)]