644064512

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27647}}^1$

素因数の和:27683

約数の個数: 72

約数和(自身を含む): 1582350336

約数和(自身を除く): 938285824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 11648, 23296, 27647, 55294, 110588, 193529, 221176, 359411, 387058, 442352, 718822, 774116, 884704, 1437644, 1548232, 1769408, 2515877, 2875288, 3096464, 3538816, 5031754, 5750576, 6192928, 7077632, 10063508, 11501152, 12385856, 20127016, 23002304, 24771712, 40254032, 46004608, 49543424, 80508064, 92009216, 161016128, 322032256, 644064512]

約数ペア:

[(1, 644064512), (2, 322032256), (4, 161016128), (7, 92009216), (8, 80508064), (13, 49543424), (14, 46004608), (16, 40254032), (26, 24771712), (28, 23002304), (32, 20127016), (52, 12385856), (56, 11501152), (64, 10063508), (91, 7077632), (104, 6192928), (112, 5750576), (128, 5031754), (182, 3538816), (208, 3096464), (224, 2875288), (256, 2515877), (364, 1769408), (416, 1548232), (448, 1437644), (728, 884704), (832, 774116), (896, 718822), (1456, 442352), (1664, 387058), (1792, 359411), (2912, 221176), (3328, 193529), (5824, 110588), (11648, 55294), (23296, 27647)]