30991888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1051}}^1$

素因数の和:1175

約数の個数: 40

約数和(自身を含む): 63919520

約数和(自身を除く): 32927632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 97, 152, 194, 304, 388, 776, 1051, 1552, 1843, 2102, 3686, 4204, 7372, 8408, 14744, 16816, 19969, 29488, 39938, 79876, 101947, 159752, 203894, 319504, 407788, 815576, 1631152, 1936993, 3873986, 7747972, 15495944, 30991888]

約数ペア:

[(1, 30991888), (2, 15495944), (4, 7747972), (8, 3873986), (16, 1936993), (19, 1631152), (38, 815576), (76, 407788), (97, 319504), (152, 203894), (194, 159752), (304, 101947), (388, 79876), (776, 39938), (1051, 29488), (1552, 19969), (1843, 16816), (2102, 14744), (3686, 8408), (4204, 7372)]