138876764

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{15803}}^1$

素因数の和:15846

約数の個数: 24

約数和(自身を含む): 263294640

約数和(自身を除く): 124417876

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 4394, 8788, 15803, 31606, 63212, 205439, 410878, 821756, 2670707, 5341414, 10682828, 34719191, 69438382, 138876764]

約数ペア:

[(1, 138876764), (2, 69438382), (4, 34719191), (13, 10682828), (26, 5341414), (52, 2670707), (169, 821756), (338, 410878), (676, 205439), (2197, 63212), (4394, 31606), (8788, 15803)]