28129010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30911}}^1$

素因数の和:30938

約数の個数: 32

約数和(自身を含む): 62318592

約数和(自身を除く): 34189582

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 30911, 61822, 154555, 216377, 309110, 401843, 432754, 803686, 1081885, 2009215, 2163770, 2812901, 4018430, 5625802, 14064505, 28129010]

約数ペア:

[(1, 28129010), (2, 14064505), (5, 5625802), (7, 4018430), (10, 2812901), (13, 2163770), (14, 2009215), (26, 1081885), (35, 803686), (65, 432754), (70, 401843), (91, 309110), (130, 216377), (182, 154555), (455, 61822), (910, 30911)]