638325184

素因数分解:

$2^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:550

約数の個数: 112

約数和(自身を含む): 1505866432

約数和(自身を除く): 867541248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 97, 112, 148, 194, 224, 259, 296, 388, 397, 448, 518, 592, 679, 776, 794, 1036, 1184, 1358, 1552, 1588, 2072, 2368, 2716, 2779, 3104, 3176, 3589, 4144, 5432, 5558, 6208, 6352, 7178, 8288, 10864, 11116, 12704, 14356, 14689, 16576, 21728, 22232, 25123, 25408, 28712, 29378, 38509, 43456, 44464, 50246, 57424, 58756, 77018, 88928, 100492, 102823, 114848, 117512, 154036, 177856, 200984, 205646, 229696, 235024, 269563, 308072, 401968, 411292, 470048, 539126, 616144, 803936, 822584, 940096, 1078252, 1232288, 1424833, 1607872, 1645168, 2156504, 2464576, 2849666, 3290336, 4313008, 5699332, 6580672, 8626016, 9973831, 11398664, 17252032, 19947662, 22797328, 39895324, 45594656, 79790648, 91189312, 159581296, 319162592, 638325184]

約数ペア:

[(1, 638325184), (2, 319162592), (4, 159581296), (7, 91189312), (8, 79790648), (14, 45594656), (16, 39895324), (28, 22797328), (32, 19947662), (37, 17252032), (56, 11398664), (64, 9973831), (74, 8626016), (97, 6580672), (112, 5699332), (148, 4313008), (194, 3290336), (224, 2849666), (259, 2464576), (296, 2156504), (388, 1645168), (397, 1607872), (448, 1424833), (518, 1232288), (592, 1078252), (679, 940096), (776, 822584), (794, 803936), (1036, 616144), (1184, 539126), (1358, 470048), (1552, 411292), (1588, 401968), (2072, 308072), (2368, 269563), (2716, 235024), (2779, 229696), (3104, 205646), (3176, 200984), (3589, 177856), (4144, 154036), (5432, 117512), (5558, 114848), (6208, 102823), (6352, 100492), (7178, 88928), (8288, 77018), (10864, 58756), (11116, 57424), (12704, 50246), (14356, 44464), (14689, 43456), (16576, 38509), (21728, 29378), (22232, 28712), (25123, 25408)]