28707770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31547}}^1$

素因数の和:31574

約数の個数: 32

約数和(自身を含む): 63600768

約数和(自身を除く): 34892998

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31547, 63094, 157735, 220829, 315470, 410111, 441658, 820222, 1104145, 2050555, 2208290, 2870777, 4101110, 5741554, 14353885, 28707770]

約数ペア:

[(1, 28707770), (2, 14353885), (5, 5741554), (7, 4101110), (10, 2870777), (13, 2208290), (14, 2050555), (26, 1104145), (35, 820222), (65, 441658), (70, 410111), (91, 315470), (130, 220829), (182, 157735), (455, 63094), (910, 31547)]