1223405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 1600560

約数和(自身を除く): 377155

約数列:

[1, 5, 17, 37, 85, 185, 389, 629, 1945, 3145, 6613, 14393, 33065, 71965, 244681, 1223405]

約数ペア:

[(1, 1223405), (5, 244681), (17, 71965), (37, 33065), (85, 14393), (185, 6613), (389, 3145), (629, 1945)]