215868130

素因数分解:

$2^1\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{19571}}^1$

素因数の和:20681

約数の個数: 16

約数和(自身を含む): 388934784

約数和(自身を除く): 173066654

約数列:

[1, 2, 5, 10, 1103, 2206, 5515, 11030, 19571, 39142, 97855, 195710, 21586813, 43173626, 107934065, 215868130]

約数ペア:

[(1, 215868130), (2, 107934065), (5, 43173626), (10, 21586813), (1103, 195710), (2206, 97855), (5515, 39142), (11030, 19571)]