131284272

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{390727}}^1$

素因数の和:390745

約数の個数: 40

約数和(自身を含む): 387602176

約数和(自身を除く): 256317904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 390727, 781454, 1172181, 1562908, 2344362, 2735089, 3125816, 4688724, 5470178, 6251632, 8205267, 9377448, 10940356, 16410534, 18754896, 21880712, 32821068, 43761424, 65642136, 131284272]

約数ペア:

[(1, 131284272), (2, 65642136), (3, 43761424), (4, 32821068), (6, 21880712), (7, 18754896), (8, 16410534), (12, 10940356), (14, 9377448), (16, 8205267), (21, 6251632), (24, 5470178), (28, 4688724), (42, 3125816), (48, 2735089), (56, 2344362), (84, 1562908), (112, 1172181), (168, 781454), (336, 390727)]