138839636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{19489}}^1$

素因数の和:19643

約数の個数: 24

約数和(自身を含む): 263582760

約数和(自身を除く): 124743124

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 7124, 19489, 38978, 77956, 253357, 506714, 1013428, 2669993, 5339986, 10679972, 34709909, 69419818, 138839636]

約数ペア:

[(1, 138839636), (2, 69419818), (4, 34709909), (13, 10679972), (26, 5339986), (52, 2669993), (137, 1013428), (274, 506714), (548, 253357), (1781, 77956), (3562, 38978), (7124, 19489)]