85784478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{2689}}^1$

素因数の和:3116

約数の個数: 32

約数和(自身を含む): 185287200

約数和(自身を除く): 99502722

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 409, 818, 1227, 2454, 2689, 5317, 5378, 8067, 10634, 15951, 16134, 31902, 34957, 69914, 104871, 209742, 1099801, 2199602, 3299403, 6598806, 14297413, 28594826, 42892239, 85784478]

約数ペア:

[(1, 85784478), (2, 42892239), (3, 28594826), (6, 14297413), (13, 6598806), (26, 3299403), (39, 2199602), (78, 1099801), (409, 209742), (818, 104871), (1227, 69914), (2454, 34957), (2689, 31902), (5317, 16134), (5378, 15951), (8067, 10634)]