180775868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2521}}^1$

素因数の和:2742

約数の個数: 48

約数和(自身を含む): 391495104

約数和(自身を除く): 210719236

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 197, 364, 394, 788, 1379, 2521, 2561, 2758, 5042, 5122, 5516, 10084, 10244, 17647, 17927, 32773, 35294, 35854, 65546, 70588, 71708, 131092, 229411, 458822, 496637, 917644, 993274, 1986548, 3476459, 6456281, 6952918, 12912562, 13905836, 25825124, 45193967, 90387934, 180775868]

約数ペア:

[(1, 180775868), (2, 90387934), (4, 45193967), (7, 25825124), (13, 13905836), (14, 12912562), (26, 6952918), (28, 6456281), (52, 3476459), (91, 1986548), (182, 993274), (197, 917644), (364, 496637), (394, 458822), (788, 229411), (1379, 131092), (2521, 71708), (2561, 70588), (2758, 65546), (5042, 35854), (5122, 35294), (5516, 32773), (10084, 17927), (10244, 17647)]