257732736

素因数分解:

$2^7\times 3^1\times {\mathrm{197}}^1\times {\mathrm{3407}}^1$

素因数の和:3621

約数の個数: 64

約数和(自身を含む): 688279680

約数和(自身を除く): 430546944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 197, 384, 394, 591, 788, 1182, 1576, 2364, 3152, 3407, 4728, 6304, 6814, 9456, 10221, 12608, 13628, 18912, 20442, 25216, 27256, 37824, 40884, 54512, 75648, 81768, 109024, 163536, 218048, 327072, 436096, 654144, 671179, 1308288, 1342358, 2013537, 2684716, 4027074, 5369432, 8054148, 10738864, 16108296, 21477728, 32216592, 42955456, 64433184, 85910912, 128866368, 257732736]

約数ペア:

[(1, 257732736), (2, 128866368), (3, 85910912), (4, 64433184), (6, 42955456), (8, 32216592), (12, 21477728), (16, 16108296), (24, 10738864), (32, 8054148), (48, 5369432), (64, 4027074), (96, 2684716), (128, 2013537), (192, 1342358), (197, 1308288), (384, 671179), (394, 654144), (591, 436096), (788, 327072), (1182, 218048), (1576, 163536), (2364, 109024), (3152, 81768), (3407, 75648), (4728, 54512), (6304, 40884), (6814, 37824), (9456, 27256), (10221, 25216), (12608, 20442), (13628, 18912)]