28946690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2087}}^1$

素因数の和:2186

約数の個数: 32

約数和(自身を含む): 55624320

約数和(自身を除く): 26677630

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 2087, 2774, 4174, 6935, 10435, 13870, 20870, 39653, 79306, 152351, 198265, 304702, 396530, 761755, 1523510, 2894669, 5789338, 14473345, 28946690]

約数ペア:

[(1, 28946690), (2, 14473345), (5, 5789338), (10, 2894669), (19, 1523510), (38, 761755), (73, 396530), (95, 304702), (146, 198265), (190, 152351), (365, 79306), (730, 39653), (1387, 20870), (2087, 13870), (2774, 10435), (4174, 6935)]