636960028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{118043}}^1$

素因数の和:118137

約数の個数: 24

約数和(自身を含む): 1189883520

約数和(自身を除く): 552923492

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 5396, 118043, 236086, 472172, 2242817, 4485634, 8381053, 8971268, 16762106, 33524212, 159240007, 318480014, 636960028]

約数ペア:

[(1, 636960028), (2, 318480014), (4, 159240007), (19, 33524212), (38, 16762106), (71, 8971268), (76, 8381053), (142, 4485634), (284, 2242817), (1349, 472172), (2698, 236086), (5396, 118043)]