243884396

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 495237120

約数和(自身を除く): 251352724

約数列:

[1, 2, 4, 7, 14, 28, 139, 223, 278, 281, 446, 556, 562, 892, 973, 1124, 1561, 1946, 1967, 3122, 3892, 3934, 6244, 7868, 30997, 39059, 61994, 62663, 78118, 123988, 125326, 156236, 216979, 250652, 273413, 433958, 438641, 546826, 867916, 877282, 1093652, 1754564, 8710157, 17420314, 34840628, 60971099, 121942198, 243884396]

約数ペア:

[(1, 243884396), (2, 121942198), (4, 60971099), (7, 34840628), (14, 17420314), (28, 8710157), (139, 1754564), (223, 1093652), (278, 877282), (281, 867916), (446, 546826), (556, 438641), (562, 433958), (892, 273413), (973, 250652), (1124, 216979), (1561, 156236), (1946, 125326), (1967, 123988), (3122, 78118), (3892, 62663), (3934, 61994), (6244, 39059), (7868, 30997)]