643926

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 1399680

約数和(自身を除く): 755754

約数列:

[1, 2, 3, 6, 17, 34, 51, 59, 102, 107, 118, 177, 214, 321, 354, 642, 1003, 1819, 2006, 3009, 3638, 5457, 6018, 6313, 10914, 12626, 18939, 37878, 107321, 214642, 321963, 643926]

約数ペア:

[(1, 643926), (2, 321963), (3, 214642), (6, 107321), (17, 37878), (34, 18939), (51, 12626), (59, 10914), (102, 6313), (107, 6018), (118, 5457), (177, 3638), (214, 3009), (321, 2006), (354, 1819), (642, 1003)]