2019979325

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{887903}}^1$

素因数の和:887933

約数の個数: 24

約数和(自身を含む): 3082802688

約数和(自身を除く): 1062823363

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 887903, 4439515, 6215321, 11542739, 22197575, 31076605, 57713695, 80799173, 155383025, 288568475, 403995865, 2019979325]

約数ペア:

[(1, 2019979325), (5, 403995865), (7, 288568475), (13, 155383025), (25, 80799173), (35, 57713695), (65, 31076605), (91, 22197575), (175, 11542739), (325, 6215321), (455, 4439515), (2275, 887903)]