28977815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{8689}}^1$

素因数の和:8746

約数の個数: 16

約数和(自身を含む): 37540800

約数和(自身を除く): 8562985

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 8689, 43445, 199847, 251981, 999235, 1259905, 5795563, 28977815]

約数ペア:

[(1, 28977815), (5, 5795563), (23, 1259905), (29, 999235), (115, 251981), (145, 199847), (667, 43445), (3335, 8689)]