129781712

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{48571}}^1$

素因数の和:48746

約数の個数: 20

約数和(自身を含む): 252962976

約数和(自身を除く): 123181264

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 48571, 97142, 194284, 388568, 777136, 8111357, 16222714, 32445428, 64890856, 129781712]

約数ペア:

[(1, 129781712), (2, 64890856), (4, 32445428), (8, 16222714), (16, 8111357), (167, 777136), (334, 388568), (668, 194284), (1336, 97142), (2672, 48571)]