989456768

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{971}}^1$

素因数の和:1423

約数の個数: 64

約数和(自身を含む): 2082024000

約数和(自身を除く): 1092567232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 419, 608, 838, 971, 1216, 1676, 1942, 2432, 3352, 3884, 6704, 7768, 7961, 13408, 15536, 15922, 18449, 26816, 31072, 31844, 36898, 53632, 62144, 63688, 73796, 124288, 127376, 147592, 254752, 295184, 406849, 509504, 590368, 813698, 1019008, 1180736, 1627396, 2361472, 3254792, 6509584, 7730131, 13019168, 15460262, 26038336, 30920524, 52076672, 61841048, 123682096, 247364192, 494728384, 989456768]

約数ペア:

[(1, 989456768), (2, 494728384), (4, 247364192), (8, 123682096), (16, 61841048), (19, 52076672), (32, 30920524), (38, 26038336), (64, 15460262), (76, 13019168), (128, 7730131), (152, 6509584), (304, 3254792), (419, 2361472), (608, 1627396), (838, 1180736), (971, 1019008), (1216, 813698), (1676, 590368), (1942, 509504), (2432, 406849), (3352, 295184), (3884, 254752), (6704, 147592), (7768, 127376), (7961, 124288), (13408, 73796), (15536, 63688), (15922, 62144), (18449, 53632), (26816, 36898), (31072, 31844)]