728650816

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:867

約数の個数: 56

約数和(自身を含む): 1469152256

約数和(自身を除く): 740501440

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 157, 254, 314, 508, 571, 628, 1016, 1142, 1256, 2032, 2284, 2512, 4064, 4568, 5024, 8128, 9136, 10048, 18272, 19939, 36544, 39878, 72517, 79756, 89647, 145034, 159512, 179294, 290068, 319024, 358588, 580136, 638048, 717176, 1160272, 1276096, 1434352, 2320544, 2868704, 4641088, 5737408, 11385169, 22770338, 45540676, 91081352, 182162704, 364325408, 728650816]

約数ペア:

[(1, 728650816), (2, 364325408), (4, 182162704), (8, 91081352), (16, 45540676), (32, 22770338), (64, 11385169), (127, 5737408), (157, 4641088), (254, 2868704), (314, 2320544), (508, 1434352), (571, 1276096), (628, 1160272), (1016, 717176), (1142, 638048), (1256, 580136), (2032, 358588), (2284, 319024), (2512, 290068), (4064, 179294), (4568, 159512), (5024, 145034), (8128, 89647), (9136, 79756), (10048, 72517), (18272, 39878), (19939, 36544)]