138049390

素因数分解:

$2^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{19471}}^1$

素因数の和:20187

約数の個数: 16

約数和(自身を含む): 248852160

約数和(自身を除く): 110802770

約数列:

[1, 2, 5, 10, 709, 1418, 3545, 7090, 19471, 38942, 97355, 194710, 13804939, 27609878, 69024695, 138049390]

約数ペア:

[(1, 138049390), (2, 69024695), (5, 27609878), (10, 13804939), (709, 194710), (1418, 97355), (3545, 38942), (7090, 19471)]