28672910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2609}}^1$

素因数の和:2780

約数の個数: 32

約数和(自身を含む): 59382720

約数和(自身を除く): 30709810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 2609, 5218, 5495, 10990, 13045, 18263, 26090, 36526, 91315, 182630, 409613, 819226, 2048065, 2867291, 4096130, 5734582, 14336455, 28672910]

約数ペア:

[(1, 28672910), (2, 14336455), (5, 5734582), (7, 4096130), (10, 2867291), (14, 2048065), (35, 819226), (70, 409613), (157, 182630), (314, 91315), (785, 36526), (1099, 26090), (1570, 18263), (2198, 13045), (2609, 10990), (5218, 5495)]