399591648

素因数分解:

$2^5\times 3^2\times {\mathrm{197}}^1\times {\mathrm{7043}}^1$

素因数の和:7256

約数の個数: 72

約数和(自身を含む): 1142269128

約数和(自身を除く): 742677480

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 197, 288, 394, 591, 788, 1182, 1576, 1773, 2364, 3152, 3546, 4728, 6304, 7043, 7092, 9456, 14086, 14184, 18912, 21129, 28172, 28368, 42258, 56344, 56736, 63387, 84516, 112688, 126774, 169032, 225376, 253548, 338064, 507096, 676128, 1014192, 1387471, 2028384, 2774942, 4162413, 5549884, 8324826, 11099768, 12487239, 16649652, 22199536, 24974478, 33299304, 44399072, 49948956, 66598608, 99897912, 133197216, 199795824, 399591648]

約数ペア:

[(1, 399591648), (2, 199795824), (3, 133197216), (4, 99897912), (6, 66598608), (8, 49948956), (9, 44399072), (12, 33299304), (16, 24974478), (18, 22199536), (24, 16649652), (32, 12487239), (36, 11099768), (48, 8324826), (72, 5549884), (96, 4162413), (144, 2774942), (197, 2028384), (288, 1387471), (394, 1014192), (591, 676128), (788, 507096), (1182, 338064), (1576, 253548), (1773, 225376), (2364, 169032), (3152, 126774), (3546, 112688), (4728, 84516), (6304, 63387), (7043, 56736), (7092, 56344), (9456, 42258), (14086, 28368), (14184, 28172), (18912, 21129)]