27886690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 56327400

約数和(自身を除く): 28440710

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 169, 290, 338, 377, 569, 754, 845, 1138, 1690, 1885, 2845, 3770, 4901, 5690, 7397, 9802, 14794, 16501, 24505, 33002, 36985, 49010, 73970, 82505, 96161, 165010, 192322, 214513, 429026, 480805, 961610, 1072565, 2145130, 2788669, 5577338, 13943345, 27886690]

約数ペア:

[(1, 27886690), (2, 13943345), (5, 5577338), (10, 2788669), (13, 2145130), (26, 1072565), (29, 961610), (58, 480805), (65, 429026), (130, 214513), (145, 192322), (169, 165010), (290, 96161), (338, 82505), (377, 73970), (569, 49010), (754, 36985), (845, 33002), (1138, 24505), (1690, 16501), (1885, 14794), (2845, 9802), (3770, 7397), (4901, 5690)]