164211216

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:721

約数の個数: 120

約数和(自身を含む): 474898176

約数和(自身を除く): 310686960

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 169, 186, 208, 248, 312, 338, 372, 403, 496, 507, 624, 653, 676, 744, 806, 1014, 1209, 1306, 1352, 1488, 1612, 1959, 2028, 2418, 2612, 2704, 3224, 3918, 4056, 4836, 5224, 5239, 6448, 7836, 8112, 8489, 9672, 10448, 10478, 15672, 15717, 16978, 19344, 20243, 20956, 25467, 31344, 31434, 33956, 40486, 41912, 50934, 60729, 62868, 67912, 80972, 83824, 101868, 110357, 121458, 125736, 135824, 161944, 203736, 220714, 242916, 251472, 263159, 323888, 331071, 407472, 441428, 485832, 526318, 662142, 789477, 882856, 971664, 1052636, 1324284, 1578954, 1765712, 2105272, 2648568, 3157908, 3421067, 4210544, 5297136, 6315816, 6842134, 10263201, 12631632, 13684268, 20526402, 27368536, 41052804, 54737072, 82105608, 164211216]

約数ペア:

[(1, 164211216), (2, 82105608), (3, 54737072), (4, 41052804), (6, 27368536), (8, 20526402), (12, 13684268), (13, 12631632), (16, 10263201), (24, 6842134), (26, 6315816), (31, 5297136), (39, 4210544), (48, 3421067), (52, 3157908), (62, 2648568), (78, 2105272), (93, 1765712), (104, 1578954), (124, 1324284), (156, 1052636), (169, 971664), (186, 882856), (208, 789477), (248, 662142), (312, 526318), (338, 485832), (372, 441428), (403, 407472), (496, 331071), (507, 323888), (624, 263159), (653, 251472), (676, 242916), (744, 220714), (806, 203736), (1014, 161944), (1209, 135824), (1306, 125736), (1352, 121458), (1488, 110357), (1612, 101868), (1959, 83824), (2028, 80972), (2418, 67912), (2612, 62868), (2704, 60729), (3224, 50934), (3918, 41912), (4056, 40486), (4836, 33956), (5224, 31434), (5239, 31344), (6448, 25467), (7836, 20956), (8112, 20243), (8489, 19344), (9672, 16978), (10448, 15717), (10478, 15672)]