28309996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 59609088

約数和(自身を除く): 31299092

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 946, 1118, 1151, 1892, 2236, 2302, 4604, 6149, 12298, 12661, 14963, 24596, 25322, 29926, 49493, 50644, 59852, 98986, 164593, 197972, 329186, 544423, 643409, 658372, 1088846, 1286818, 2177692, 2573636, 7077499, 14154998, 28309996]

約数ペア:

[(1, 28309996), (2, 14154998), (4, 7077499), (11, 2573636), (13, 2177692), (22, 1286818), (26, 1088846), (43, 658372), (44, 643409), (52, 544423), (86, 329186), (143, 197972), (172, 164593), (286, 98986), (473, 59852), (559, 50644), (572, 49493), (946, 29926), (1118, 25322), (1151, 24596), (1892, 14963), (2236, 12661), (2302, 12298), (4604, 6149)]