646108944

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:445

約数の個数: 160

約数和(自身を含む): 1877213184

約数和(自身を除く): 1231104240

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 127, 156, 186, 208, 248, 254, 263, 312, 372, 381, 403, 496, 508, 526, 624, 744, 762, 789, 806, 1016, 1052, 1209, 1488, 1524, 1578, 1612, 1651, 2032, 2104, 2418, 3048, 3156, 3224, 3302, 3419, 3937, 4208, 4836, 4953, 6096, 6312, 6448, 6604, 6838, 7874, 8153, 9672, 9906, 10257, 11811, 12624, 13208, 13676, 15748, 16306, 19344, 19812, 20514, 23622, 24459, 26416, 27352, 31496, 32612, 33401, 39624, 41028, 47244, 48918, 51181, 54704, 62992, 65224, 66802, 79248, 82056, 94488, 97836, 100203, 102362, 105989, 130448, 133604, 153543, 164112, 188976, 195672, 200406, 204724, 211978, 267208, 307086, 317967, 391344, 400812, 409448, 423956, 434213, 534416, 614172, 635934, 801624, 818896, 847912, 868426, 1035431, 1228344, 1271868, 1302639, 1603248, 1695824, 1736852, 2070862, 2456688, 2543736, 2605278, 3106293, 3473704, 4141724, 5087472, 5210556, 6212586, 6947408, 8283448, 10421112, 12425172, 13460603, 16566896, 20842224, 24850344, 26921206, 40381809, 49700688, 53842412, 80763618, 107684824, 161527236, 215369648, 323054472, 646108944]

約数ペア:

[(1, 646108944), (2, 323054472), (3, 215369648), (4, 161527236), (6, 107684824), (8, 80763618), (12, 53842412), (13, 49700688), (16, 40381809), (24, 26921206), (26, 24850344), (31, 20842224), (39, 16566896), (48, 13460603), (52, 12425172), (62, 10421112), (78, 8283448), (93, 6947408), (104, 6212586), (124, 5210556), (127, 5087472), (156, 4141724), (186, 3473704), (208, 3106293), (248, 2605278), (254, 2543736), (263, 2456688), (312, 2070862), (372, 1736852), (381, 1695824), (403, 1603248), (496, 1302639), (508, 1271868), (526, 1228344), (624, 1035431), (744, 868426), (762, 847912), (789, 818896), (806, 801624), (1016, 635934), (1052, 614172), (1209, 534416), (1488, 434213), (1524, 423956), (1578, 409448), (1612, 400812), (1651, 391344), (2032, 317967), (2104, 307086), (2418, 267208), (3048, 211978), (3156, 204724), (3224, 200406), (3302, 195672), (3419, 188976), (3937, 164112), (4208, 153543), (4836, 133604), (4953, 130448), (6096, 105989), (6312, 102362), (6448, 100203), (6604, 97836), (6838, 94488), (7874, 82056), (8153, 79248), (9672, 66802), (9906, 65224), (10257, 62992), (11811, 54704), (12624, 51181), (13208, 48918), (13676, 47244), (15748, 41028), (16306, 39624), (19344, 33401), (19812, 32612), (20514, 31496), (23622, 27352), (24459, 26416)]