209953136

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{3137}}^1$

素因数の和:3281

約数の個数: 40

約数和(自身を含む): 420240960

約数和(自身を除く): 210287824

約数列:

[1, 2, 4, 8, 16, 47, 89, 94, 178, 188, 356, 376, 712, 752, 1424, 3137, 4183, 6274, 8366, 12548, 16732, 25096, 33464, 50192, 66928, 147439, 279193, 294878, 558386, 589756, 1116772, 1179512, 2233544, 2359024, 4467088, 13122071, 26244142, 52488284, 104976568, 209953136]

約数ペア:

[(1, 209953136), (2, 104976568), (4, 52488284), (8, 26244142), (16, 13122071), (47, 4467088), (89, 2359024), (94, 2233544), (178, 1179512), (188, 1116772), (356, 589756), (376, 558386), (712, 294878), (752, 279193), (1424, 147439), (3137, 66928), (4183, 50192), (6274, 33464), (8366, 25096), (12548, 16732)]