201117928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{25679}}^1$

素因数の和:25785

約数の個数: 32

約数和(自身を含む): 416016000

約数和(自身を除く): 214898072

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 3916, 7832, 25679, 51358, 102716, 205432, 282469, 564938, 1129876, 2259752, 2285431, 4570862, 9141724, 18283448, 25139741, 50279482, 100558964, 201117928]

約数ペア:

[(1, 201117928), (2, 100558964), (4, 50279482), (8, 25139741), (11, 18283448), (22, 9141724), (44, 4570862), (88, 2285431), (89, 2259752), (178, 1129876), (356, 564938), (712, 282469), (979, 205432), (1958, 102716), (3916, 51358), (7832, 25679)]