217231672

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{49103}}^1$

素因数の和:49195

約数の個数: 32

約数和(自身を含む): 471398400

約数和(自身を除く): 254166728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 49103, 98206, 196412, 343721, 392824, 687442, 1374884, 2749768, 3879137, 7758274, 15516548, 27153959, 31033096, 54307918, 108615836, 217231672]

約数ペア:

[(1, 217231672), (2, 108615836), (4, 54307918), (7, 31033096), (8, 27153959), (14, 15516548), (28, 7758274), (56, 3879137), (79, 2749768), (158, 1374884), (316, 687442), (553, 392824), (632, 343721), (1106, 196412), (2212, 98206), (4424, 49103)]