81780376

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{827}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 157386240

約数和(自身を除く): 75605864

約数列:

[1, 2, 4, 8, 47, 94, 188, 263, 376, 526, 827, 1052, 1654, 2104, 3308, 6616, 12361, 24722, 38869, 49444, 77738, 98888, 155476, 217501, 310952, 435002, 870004, 1740008, 10222547, 20445094, 40890188, 81780376]

約数ペア:

[(1, 81780376), (2, 40890188), (4, 20445094), (8, 10222547), (47, 1740008), (94, 870004), (188, 435002), (263, 310952), (376, 217501), (526, 155476), (827, 98888), (1052, 77738), (1654, 49444), (2104, 38869), (3308, 24722), (6616, 12361)]