840097978

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1\times {\mathrm{6679}}^1$

素因数の和:7773

約数の個数: 16

約数和(自身を含む): 1282239360

約数和(自身を除く): 442141382

約数列:

[1, 2, 61, 122, 1031, 2062, 6679, 13358, 62891, 125782, 407419, 814838, 6886049, 13772098, 420048989, 840097978]

約数ペア:

[(1, 840097978), (2, 420048989), (61, 13772098), (122, 6886049), (1031, 814838), (2062, 407419), (6679, 125782), (13358, 62891)]