644326488

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{76487}}^1$

素因数の和:76518

約数の個数: 80

約数和(自身を含む): 1943560080

約数和(自身を除く): 1299233592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 76487, 152974, 229461, 305948, 458922, 611896, 688383, 917844, 994331, 1376766, 1835688, 1988662, 2065149, 2753532, 2982993, 3977324, 4130298, 5507064, 5965986, 6195447, 7954648, 8260596, 8948979, 11931972, 12390894, 16521192, 17897958, 23863944, 24781788, 26846937, 35795916, 49563576, 53693874, 71591832, 80540811, 107387748, 161081622, 214775496, 322163244, 644326488]

約数ペア:

[(1, 644326488), (2, 322163244), (3, 214775496), (4, 161081622), (6, 107387748), (8, 80540811), (9, 71591832), (12, 53693874), (13, 49563576), (18, 35795916), (24, 26846937), (26, 24781788), (27, 23863944), (36, 17897958), (39, 16521192), (52, 12390894), (54, 11931972), (72, 8948979), (78, 8260596), (81, 7954648), (104, 6195447), (108, 5965986), (117, 5507064), (156, 4130298), (162, 3977324), (216, 2982993), (234, 2753532), (312, 2065149), (324, 1988662), (351, 1835688), (468, 1376766), (648, 994331), (702, 917844), (936, 688383), (1053, 611896), (1404, 458922), (2106, 305948), (2808, 229461), (4212, 152974), (8424, 76487)]