128325616

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{258721}}^1$

素因数の和:258760

約数の個数: 20

約数和(自身を含む): 256652224

約数和(自身を除く): 128326608

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 258721, 517442, 1034884, 2069768, 4139536, 8020351, 16040702, 32081404, 64162808, 128325616]

約数ペア:

[(1, 128325616), (2, 64162808), (4, 32081404), (8, 16040702), (16, 8020351), (31, 4139536), (62, 2069768), (124, 1034884), (248, 517442), (496, 258721)]