128565535888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4003}}^1\times {\mathrm{105649}}^1$

素因数の和:109679

約数の個数: 40

約数和(自身を含む): 262274012000

約数和(自身を除く): 133708476112

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4003, 8006, 16012, 32024, 64048, 76057, 105649, 152114, 211298, 304228, 422596, 608456, 845192, 1216912, 1690384, 2007331, 4014662, 8029324, 16058648, 32117296, 422912947, 845825894, 1691651788, 3383303576, 6766607152, 8035345993, 16070691986, 32141383972, 64282767944, 128565535888]

約数ペア:

[(1, 128565535888), (2, 64282767944), (4, 32141383972), (8, 16070691986), (16, 8035345993), (19, 6766607152), (38, 3383303576), (76, 1691651788), (152, 845825894), (304, 422912947), (4003, 32117296), (8006, 16058648), (16012, 8029324), (32024, 4014662), (64048, 2007331), (76057, 1690384), (105649, 1216912), (152114, 845192), (211298, 608456), (304228, 422596)]