257970276

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{17021}}^1$

素因数の和:17452

約数の個数: 36

約数和(自身を含む): 653678844

約数和(自身を除く): 395708568

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1684, 2526, 3789, 5052, 7578, 15156, 17021, 34042, 51063, 68084, 102126, 153189, 204252, 306378, 612756, 7165841, 14331682, 21497523, 28663364, 42995046, 64492569, 85990092, 128985138, 257970276]

約数ペア:

[(1, 257970276), (2, 128985138), (3, 85990092), (4, 64492569), (6, 42995046), (9, 28663364), (12, 21497523), (18, 14331682), (36, 7165841), (421, 612756), (842, 306378), (1263, 204252), (1684, 153189), (2526, 102126), (3789, 68084), (5052, 51063), (7578, 34042), (15156, 17021)]