128808984

素因数分解:

$2^3\times 3^1\times {\mathrm{263}}^1\times {\mathrm{20407}}^1$

素因数の和:20679

約数の個数: 32

約数和(自身を含む): 323262720

約数和(自身を除く): 194453736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 263, 526, 789, 1052, 1578, 2104, 3156, 6312, 20407, 40814, 61221, 81628, 122442, 163256, 244884, 489768, 5367041, 10734082, 16101123, 21468164, 32202246, 42936328, 64404492, 128808984]

約数ペア:

[(1, 128808984), (2, 64404492), (3, 42936328), (4, 32202246), (6, 21468164), (8, 16101123), (12, 10734082), (24, 5367041), (263, 489768), (526, 244884), (789, 163256), (1052, 122442), (1578, 81628), (2104, 61221), (3156, 40814), (6312, 20407)]