261721344

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{10993}}^1$

素因数の和:11043

約数の個数: 72

約数和(自身を含む): 719095552

約数和(自身を除く): 457374208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 744, 768, 992, 1488, 1984, 2976, 3968, 5952, 7936, 10993, 11904, 21986, 23808, 32979, 43972, 65958, 87944, 131916, 175888, 263832, 340783, 351776, 527664, 681566, 703552, 1022349, 1055328, 1363132, 1407104, 2044698, 2110656, 2726264, 2814208, 4089396, 4221312, 5452528, 8178792, 8442624, 10905056, 16357584, 21810112, 32715168, 43620224, 65430336, 87240448, 130860672, 261721344]

約数ペア:

[(1, 261721344), (2, 130860672), (3, 87240448), (4, 65430336), (6, 43620224), (8, 32715168), (12, 21810112), (16, 16357584), (24, 10905056), (31, 8442624), (32, 8178792), (48, 5452528), (62, 4221312), (64, 4089396), (93, 2814208), (96, 2726264), (124, 2110656), (128, 2044698), (186, 1407104), (192, 1363132), (248, 1055328), (256, 1022349), (372, 703552), (384, 681566), (496, 527664), (744, 351776), (768, 340783), (992, 263832), (1488, 175888), (1984, 131916), (2976, 87944), (3968, 65958), (5952, 43972), (7936, 32979), (10993, 23808), (11904, 21986)]