81498524

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{20233}}^1$

素因数の和:20309

約数の個数: 24

約数和(自身を含む): 152969040

約数和(自身を除く): 71470516

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 20233, 40466, 80932, 384427, 768854, 1072349, 1537708, 2144698, 4289396, 20374631, 40749262, 81498524]

約数ペア:

[(1, 81498524), (2, 40749262), (4, 20374631), (19, 4289396), (38, 2144698), (53, 1537708), (76, 1072349), (106, 768854), (212, 384427), (1007, 80932), (2014, 40466), (4028, 20233)]