313081208

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{281}}^1\times {\mathrm{1151}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 648103680

約数和(自身を除く): 335022472

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 281, 484, 562, 968, 1124, 1151, 2248, 2302, 3091, 4604, 6182, 9208, 12364, 12661, 24728, 25322, 34001, 50644, 68002, 101288, 136004, 139271, 272008, 278542, 323431, 557084, 646862, 1114168, 1293724, 2587448, 3557741, 7115482, 14230964, 28461928, 39135151, 78270302, 156540604, 313081208]

約数ペア:

[(1, 313081208), (2, 156540604), (4, 78270302), (8, 39135151), (11, 28461928), (22, 14230964), (44, 7115482), (88, 3557741), (121, 2587448), (242, 1293724), (281, 1114168), (484, 646862), (562, 557084), (968, 323431), (1124, 278542), (1151, 272008), (2248, 139271), (2302, 136004), (3091, 101288), (4604, 68002), (6182, 50644), (9208, 34001), (12364, 25322), (12661, 24728)]