2639988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5641}}^1$

素因数の和:5664

約数の個数: 36

約数和(自身を含む): 7187908

約数和(自身を除く): 4547920

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 5641, 11282, 16923, 22564, 33846, 50769, 67692, 73333, 101538, 146666, 203076, 219999, 293332, 439998, 659997, 879996, 1319994, 2639988]

約数ペア:

[(1, 2639988), (2, 1319994), (3, 879996), (4, 659997), (6, 439998), (9, 293332), (12, 219999), (13, 203076), (18, 146666), (26, 101538), (36, 73333), (39, 67692), (52, 50769), (78, 33846), (117, 22564), (156, 16923), (234, 11282), (468, 5641)]