264801536998

素因数分解:

$2^1\times {\mathrm{643}}^1\times {\mathrm{1999}}^1\times {\mathrm{103007}}^1$

素因数の和:105651

約数の個数: 16

約数和(自身を含む): 398022912000

約数和(自身を除く): 133221375002

約数列:

[1, 2, 643, 1286, 1999, 3998, 103007, 206014, 1285357, 2570714, 66233501, 132467002, 205910993, 411821986, 132400768499, 264801536998]

約数ペア:

[(1, 264801536998), (2, 132400768499), (643, 411821986), (1286, 205910993), (1999, 132467002), (3998, 66233501), (103007, 2570714), (206014, 1285357)]