28354690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31159}}^1$

素因数の和:31186

約数の個数: 32

約数和(自身を含む): 62818560

約数和(自身を除く): 34463870

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31159, 62318, 155795, 218113, 311590, 405067, 436226, 810134, 1090565, 2025335, 2181130, 2835469, 4050670, 5670938, 14177345, 28354690]

約数ペア:

[(1, 28354690), (2, 14177345), (5, 5670938), (7, 4050670), (10, 2835469), (13, 2181130), (14, 2025335), (26, 1090565), (35, 810134), (65, 436226), (70, 405067), (91, 311590), (130, 218113), (182, 155795), (455, 62318), (910, 31159)]