1286020684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1229}}^1\times {\mathrm{20123}}^1$

素因数の和:21369

約数の個数: 24

約数和(自身を含む): 2425746960

約数和(自身を除く): 1139726276

約数列:

[1, 2, 4, 13, 26, 52, 1229, 2458, 4916, 15977, 20123, 31954, 40246, 63908, 80492, 261599, 523198, 1046396, 24731167, 49462334, 98924668, 321505171, 643010342, 1286020684]

約数ペア:

[(1, 1286020684), (2, 643010342), (4, 321505171), (13, 98924668), (26, 49462334), (52, 24731167), (1229, 1046396), (2458, 523198), (4916, 261599), (15977, 80492), (20123, 63908), (31954, 40246)]