171587728

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 392117760

約数和(自身を除く): 220530032

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 46, 52, 62, 89, 92, 104, 124, 169, 178, 184, 208, 248, 299, 338, 356, 368, 403, 496, 598, 676, 712, 713, 806, 1157, 1196, 1352, 1424, 1426, 1612, 2047, 2314, 2392, 2704, 2759, 2852, 3224, 3887, 4094, 4628, 4784, 5239, 5518, 5704, 6448, 7774, 8188, 9256, 9269, 10478, 11036, 11408, 15041, 15548, 16376, 18512, 18538, 20956, 22072, 26611, 30082, 31096, 32752, 35867, 37076, 41912, 44144, 53222, 60164, 62192, 63457, 71734, 74152, 83824, 106444, 120328, 120497, 126914, 143468, 148304, 212888, 240656, 240994, 253828, 286936, 345943, 425776, 466271, 481988, 507656, 573872, 691886, 824941, 932542, 963976, 1015312, 1383772, 1649882, 1865084, 1927952, 2767544, 3299764, 3730168, 5535088, 6599528, 7460336, 10724233, 13199056, 21448466, 42896932, 85793864, 171587728]

約数ペア:

[(1, 171587728), (2, 85793864), (4, 42896932), (8, 21448466), (13, 13199056), (16, 10724233), (23, 7460336), (26, 6599528), (31, 5535088), (46, 3730168), (52, 3299764), (62, 2767544), (89, 1927952), (92, 1865084), (104, 1649882), (124, 1383772), (169, 1015312), (178, 963976), (184, 932542), (208, 824941), (248, 691886), (299, 573872), (338, 507656), (356, 481988), (368, 466271), (403, 425776), (496, 345943), (598, 286936), (676, 253828), (712, 240994), (713, 240656), (806, 212888), (1157, 148304), (1196, 143468), (1352, 126914), (1424, 120497), (1426, 120328), (1612, 106444), (2047, 83824), (2314, 74152), (2392, 71734), (2704, 63457), (2759, 62192), (2852, 60164), (3224, 53222), (3887, 44144), (4094, 41912), (4628, 37076), (4784, 35867), (5239, 32752), (5518, 31096), (5704, 30082), (6448, 26611), (7774, 22072), (8188, 20956), (9256, 18538), (9269, 18512), (10478, 16376), (11036, 15548), (11408, 15041)]