205124744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{863}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 437322240

約数和(自身を除く): 232197496

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 73, 74, 88, 146, 148, 292, 296, 407, 584, 803, 814, 863, 1606, 1628, 1726, 2701, 3212, 3256, 3452, 5402, 6424, 6904, 9493, 10804, 18986, 21608, 29711, 31931, 37972, 59422, 62999, 63862, 75944, 118844, 125998, 127724, 237688, 251996, 255448, 351241, 503992, 692989, 702482, 1385978, 1404964, 2330963, 2771956, 2809928, 4661926, 5543912, 9323852, 18647704, 25640593, 51281186, 102562372, 205124744]

約数ペア:

[(1, 205124744), (2, 102562372), (4, 51281186), (8, 25640593), (11, 18647704), (22, 9323852), (37, 5543912), (44, 4661926), (73, 2809928), (74, 2771956), (88, 2330963), (146, 1404964), (148, 1385978), (292, 702482), (296, 692989), (407, 503992), (584, 351241), (803, 255448), (814, 251996), (863, 237688), (1606, 127724), (1628, 125998), (1726, 118844), (2701, 75944), (3212, 63862), (3256, 62999), (3452, 59422), (5402, 37972), (6424, 31931), (6904, 29711), (9493, 21608), (10804, 18986)]