28619822

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 26537938

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 139, 154, 191, 278, 382, 539, 973, 1078, 1337, 1529, 1946, 2101, 2674, 3058, 4202, 6811, 9359, 10703, 13622, 14707, 18718, 21406, 26549, 29414, 53098, 74921, 102949, 149842, 185843, 205898, 292039, 371686, 584078, 1300901, 2044273, 2601802, 4088546, 14309911, 28619822]

約数ペア:

[(1, 28619822), (2, 14309911), (7, 4088546), (11, 2601802), (14, 2044273), (22, 1300901), (49, 584078), (77, 371686), (98, 292039), (139, 205898), (154, 185843), (191, 149842), (278, 102949), (382, 74921), (539, 53098), (973, 29414), (1078, 26549), (1337, 21406), (1529, 18718), (1946, 14707), (2101, 13622), (2674, 10703), (3058, 9359), (4202, 6811)]