261571648

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:384

約数の個数: 112

約数和(自身を含む): 595914480

約数和(自身を除く): 334342832

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 37, 52, 58, 64, 74, 104, 116, 148, 208, 232, 293, 296, 377, 416, 464, 481, 586, 592, 754, 832, 928, 962, 1073, 1172, 1184, 1508, 1856, 1924, 2146, 2344, 2368, 3016, 3809, 3848, 4292, 4688, 6032, 7618, 7696, 8497, 8584, 9376, 10841, 12064, 13949, 15236, 15392, 16994, 17168, 18752, 21682, 24128, 27898, 30472, 30784, 33988, 34336, 43364, 55796, 60944, 67976, 68672, 86728, 110461, 111592, 121888, 135952, 140933, 173456, 220922, 223184, 243776, 271904, 281866, 314389, 346912, 441844, 446368, 543808, 563732, 628778, 693824, 883688, 892736, 1127464, 1257556, 1767376, 2254928, 2515112, 3534752, 4087057, 4509856, 5030224, 7069504, 8174114, 9019712, 10060448, 16348228, 20120896, 32696456, 65392912, 130785824, 261571648]

約数ペア:

[(1, 261571648), (2, 130785824), (4, 65392912), (8, 32696456), (13, 20120896), (16, 16348228), (26, 10060448), (29, 9019712), (32, 8174114), (37, 7069504), (52, 5030224), (58, 4509856), (64, 4087057), (74, 3534752), (104, 2515112), (116, 2254928), (148, 1767376), (208, 1257556), (232, 1127464), (293, 892736), (296, 883688), (377, 693824), (416, 628778), (464, 563732), (481, 543808), (586, 446368), (592, 441844), (754, 346912), (832, 314389), (928, 281866), (962, 271904), (1073, 243776), (1172, 223184), (1184, 220922), (1508, 173456), (1856, 140933), (1924, 135952), (2146, 121888), (2344, 111592), (2368, 110461), (3016, 86728), (3809, 68672), (3848, 67976), (4292, 60944), (4688, 55796), (6032, 43364), (7618, 34336), (7696, 33988), (8497, 30784), (8584, 30472), (9376, 27898), (10841, 24128), (12064, 21682), (13949, 18752), (15236, 17168), (15392, 16994)]