1400000042

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{155521}}^1$

素因数の和:156173

約数の個数: 16

約数和(自身を含む): 2403748032

約数和(自身を除く): 1003747990

約数列:

[1, 2, 7, 14, 643, 1286, 4501, 9002, 155521, 311042, 1088647, 2177294, 100000003, 200000006, 700000021, 1400000042]

約数ペア:

[(1, 1400000042), (2, 700000021), (7, 200000006), (14, 100000003), (643, 2177294), (1286, 1088647), (4501, 311042), (9002, 155521)]